_content: rewrite links to https://go.dev/foo to /foo

We use /foo consistently so that people browsing on
golang.google.cn are not redirected to go.dev.

This CL is completely mechanical, replacing

	href="https://go.dev/ -> href="/

in HTML and replacing

	](https://go.dev/ -> ](/

in Markdown.


Change-Id: I8ac732d672075600c8e53c46787205454b196850
Reviewed-on: https://go-review.googlesource.com/c/website/+/548058
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/_content/doc/tutorial/workspaces.md b/_content/doc/tutorial/workspaces.md
index 2df1cfc3..91668ef3 100644
--- a/_content/doc/tutorial/workspaces.md
+++ b/_content/doc/tutorial/workspaces.md
@@ -24,7 +24,7 @@ of those changes in a build.
     and on PowerShell or cmd in Windows.
 
 This tutorial requires go1.18 or later. Make sure you've installed Go at Go 1.18 or later using the
-links at [go.dev/dl](https://go.dev/dl).
+links at [go.dev/dl](/dl).
 
 ## Create a module for your code {#create_folder}
 
@@ -244,7 +244,7 @@ We'll then add a new function to the `reverse` package that we can use instead o
    file, and similarly resolves the `golang.org/x/example/hello/reverse` import using
    the `go.work` file.
 
-   `go.work` can be used instead of adding [`replace`](https://go.dev/ref/mod#go-mod-file-replace)
+   `go.work` can be used instead of adding [`replace`](/ref/mod#go-mod-file-replace)
    directives to work across multiple modules.
 
    Since the two modules are in the same workspace it's easy
@@ -255,7 +255,7 @@ We'll then add a new function to the `reverse` package that we can use instead o
    Now, to properly release these modules we'd need to make a release of the `golang.org/x/example/hello`
    module, for example at `v0.1.0`. This is usually done by tagging a commit on the module's version
    control repository. See the
-   [module release workflow documentation](https://go.dev/doc/modules/release-workflow)
+   [module release workflow documentation](/doc/modules/release-workflow)
    for more details. Once the release is done, we can increase the requirement on the
    `golang.org/x/example/hello` module in `hello/go.mod`:
 
@@ -277,5 +277,5 @@ We'll then add a new function to the `reverse` package that we can use instead o
    - `go work edit` edits the `go.work` file similarly to `go mod edit`
    - `go work sync` syncs dependencies from the workspace's build list into each of the workspace modules.
 
-   See [Workspaces](https://go.dev/ref/mod#workspaces) in the Go Modules Reference for more detail on
+   See [Workspaces](/ref/mod#workspaces) in the Go Modules Reference for more detail on
    workspaces and `go.work` files.