_content: Breadcrumbs added to children pages.

Added to all doc children page with doclayout.
Added to Why Go pages.
Added to Security pages.

Video of Changes:
https://drive.google.com/file/d/1wX9e9K9H9wPTaLLQHh15-cWzMTMRr9DO/view?usp=sharing

Change-Id: I0fbf8e925e7fa357762d8eebd2bf13d561d49d86
Reviewed-on: https://go-review.googlesource.com/c/website/+/432775
Reviewed-by: Jamal Carvalho <jamal@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>

15 files changed, 30 insertions, 15 deletions

diff --git a/_content/doc/tutorial/add-a-test.html b/_content/doc/tutorial/add-a-test.html
index 7dc5d804..3e6fb186 100644
--- a/_content/doc/tutorial/add-a-test.html
+++ b/_content/doc/tutorial/add-a-test.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Add a test"
+    "Title": "Add a test",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/call-module-code.html b/_content/doc/tutorial/call-module-code.html
index fa4628ad..16b1f402 100644
--- a/_content/doc/tutorial/call-module-code.html
+++ b/_content/doc/tutorial/call-module-code.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Call your code from another module"
+    "Title": "Call your code from another module",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/compile-install.html b/_content/doc/tutorial/compile-install.html
index 330f645b..4ed06f13 100644
--- a/_content/doc/tutorial/compile-install.html
+++ b/_content/doc/tutorial/compile-install.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Compile and install the application"
+    "Title": "Compile and install the application",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/create-module.html b/_content/doc/tutorial/create-module.html
index 903a3da6..094f2541 100644
--- a/_content/doc/tutorial/create-module.html
+++ b/_content/doc/tutorial/create-module.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Tutorial: Create a Go module"
+    "Title": "Tutorial: Create a Go module",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/database-access.md b/_content/doc/tutorial/database-access.md
index 92fa2ec0..f82e8b04 100644
--- a/_content/doc/tutorial/database-access.md
+++ b/_content/doc/tutorial/database-access.md
@@ -1,5 +1,6 @@
 <!--{
-  "Title": "Tutorial: Accessing a relational database"
+  "Title": "Tutorial: Accessing a relational database",
+  "Breadcrumb": true
 }-->
 
 This tutorial introduces the basics of accessing a relational database with
diff --git a/_content/doc/tutorial/fuzz.md b/_content/doc/tutorial/fuzz.md
index f598c065..13f90855 100644
--- a/_content/doc/tutorial/fuzz.md
+++ b/_content/doc/tutorial/fuzz.md
@@ -1,6 +1,7 @@
 <!--{
   "Title": "Tutorial: Getting started with fuzzing",
-  "HideTOC": true
+  "HideTOC": true,
+  "Breadcrumb": true
 }-->
 
 This tutorial introduces the basics of fuzzing in Go. With fuzzing, random data
diff --git a/_content/doc/tutorial/generics.md b/_content/doc/tutorial/generics.md
index c773b045..51dd45d5 100644
--- a/_content/doc/tutorial/generics.md
+++ b/_content/doc/tutorial/generics.md
@@ -1,5 +1,6 @@
 <!--{
-  "Title": "Tutorial: Getting started with generics"
+  "Title": "Tutorial: Getting started with generics",
+  "Breadcrumb": true
 }-->
 
 This tutorial introduces the basics of generics in Go. With generics, you can
diff --git a/_content/doc/tutorial/getting-started.html b/_content/doc/tutorial/getting-started.html
index 6ca9e43c..d685d8e5 100644
--- a/_content/doc/tutorial/getting-started.html
+++ b/_content/doc/tutorial/getting-started.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Tutorial: Get started with Go"
+    "Title": "Tutorial: Get started with Go",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/greetings-multiple-people.html b/_content/doc/tutorial/greetings-multiple-people.html
index a014f82e..cb041591 100644
--- a/_content/doc/tutorial/greetings-multiple-people.html
+++ b/_content/doc/tutorial/greetings-multiple-people.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Return greetings for multiple people"
+    "Title": "Return greetings for multiple people",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/handle-errors.html b/_content/doc/tutorial/handle-errors.html
index 41a0aad1..baa6fe8c 100644
--- a/_content/doc/tutorial/handle-errors.html
+++ b/_content/doc/tutorial/handle-errors.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Return and handle an error"
+    "Title": "Return and handle an error",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/index.html b/_content/doc/tutorial/index.html
index f696e128..76828e7a 100644
--- a/_content/doc/tutorial/index.html
+++ b/_content/doc/tutorial/index.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Tutorials"
+    "Title": "Tutorials",
+    "Breadcrumb": true
 }-->
 
 <p>If you're new to a part of Go, take a look at the tutorials linked below.</p>
diff --git a/_content/doc/tutorial/module-conclusion.html b/_content/doc/tutorial/module-conclusion.html
index dbd71eb8..7f0e8e85 100644
--- a/_content/doc/tutorial/module-conclusion.html
+++ b/_content/doc/tutorial/module-conclusion.html
@@ -1,6 +1,7 @@
 <!--{
     "Title": "Conclusion",
-    "Path":  "/doc/tutorial/module-conclusion"
+    "Path":  "/doc/tutorial/module-conclusion",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/random-greeting.html b/_content/doc/tutorial/random-greeting.html
index ad746812..4e9a1ed6 100644
--- a/_content/doc/tutorial/random-greeting.html
+++ b/_content/doc/tutorial/random-greeting.html
@@ -1,5 +1,6 @@
 <!--{
-    "Title": "Return a random greeting"
+    "Title": "Return a random greeting",
+    "Breadcrumb": true
 }-->
 
 <p>
diff --git a/_content/doc/tutorial/web-service-gin.md b/_content/doc/tutorial/web-service-gin.md
index d8e163e5..14e38876 100644
--- a/_content/doc/tutorial/web-service-gin.md
+++ b/_content/doc/tutorial/web-service-gin.md
@@ -1,5 +1,6 @@
 <!--{
-  "Title": "Tutorial: Developing a RESTful API with Go and Gin"
+  "Title": "Tutorial: Developing a RESTful API with Go and Gin",
+  "Breadcrumb": true
 }-->
 
 This tutorial introduces the basics of writing a RESTful web service API with Go
diff --git a/_content/doc/tutorial/workspaces.md b/_content/doc/tutorial/workspaces.md
index 576066f2..410a6305 100644
--- a/_content/doc/tutorial/workspaces.md
+++ b/_content/doc/tutorial/workspaces.md
@@ -1,5 +1,6 @@
 <!--{
-  "Title": "Tutorial: Getting started with multi-module workspaces"
+  "Title": "Tutorial: Getting started with multi-module workspaces",
+  "Breadcrumb": true
 }-->
 
 This tutorial introduces the basics of multi-module workspaces in Go.