all: make golang.org and go.dev links relative

Now that there is one site, update all golang.org links to go.dev.
But for any links being served from go.dev, make host-relative,
so that when serving golang.google.cn, we stay on that host as
much as possible.

Change-Id: Id6e1303059b5522846a64202bc1a8b81dc3854cd
Reviewed-on: https://go-review.googlesource.com/c/website/+/365095
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Jamal Carvalho <jamal@golang.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/_content/doc/tutorial/database-access.md b/_content/doc/tutorial/database-access.md
index f2ede707..cdb62127 100644
--- a/_content/doc/tutorial/database-access.md
+++ b/_content/doc/tutorial/database-access.md
@@ -323,7 +323,7 @@ specific database.
 
 1. Begin tracking the MySQL driver module as a dependency.
 
-    Use the [`go get`](https://golang.org/cmd/go/#hdr-Add_dependencies_to_current_module_and_install_them)
+    Use the [`go get`](/cmd/go/#hdr-Add_dependencies_to_current_module_and_install_them)
     to add the github.com/go-sql-driver/mysql module as a dependency for your
     own module. Use a dot argument to mean "get dependencies for code in the
     current directory."
@@ -335,7 +335,7 @@ specific database.
 
     Go downloaded this dependency because you added it to the `import`
     declaration in the previous step. For more about dependency tracking,
-    see [Adding a dependency](https://golang.org/doc/modules/managing-dependencies#adding_dependency).
+    see [Adding a dependency](/doc/modules/managing-dependencies#adding_dependency).
 
 2. From the command prompt, set the `DBUSER` and `DBPASS` environment variables
     for use by the Go program.
diff --git a/_content/doc/tutorial/web-service-gin.md b/_content/doc/tutorial/web-service-gin.md
index 99447ea0..934c7d42 100644
--- a/_content/doc/tutorial/web-service-gin.md
+++ b/_content/doc/tutorial/web-service-gin.md
@@ -198,7 +198,7 @@ adding dependencies first, then the code that depends on them.
         `gin.Context` is the most important part of Gin. It carries request
         details, validates and serializes JSON, and more. (Despite the similar
         name, this is different from Go's built-in
-        [`context`](https://golang.org/pkg/context/) package.)
+        [`context`](/pkg/context/) package.)
 
     *   Call [`Context.IndentedJSON`](https://pkg.go.dev/github.com/gin-gonic/gin#Context.IndentedJSON)
         to serialize the struct into JSON and add it to the response.
@@ -263,7 +263,7 @@ adding dependencies first, then the code that depends on them.
 
 1. Begin tracking the Gin module as a dependency.
 
-    At the command line, use [`go get`](https://golang.org/cmd/go/#hdr-Add_dependencies_to_current_module_and_install_them)
+    At the command line, use [`go get`](/cmd/go/#hdr-Add_dependencies_to_current_module_and_install_them)
     to add the github.com/gin-gonic/gin module as a dependency for your module.
     Use a dot argument to mean "get dependencies for code in the current
     directory."