content: add additional links to pkgsite-redesign.article

A link is added to the first reference of pkg.go.dev in the
pkgsite-redesign.article. Captions with links to the page displayed are
also added.

For golang/go#42492

Change-Id: I8eb66b807d5179ea0e677951ba96119aeb0e4439
Reviewed-on: https://go-review.googlesource.com/c/blog/+/270805
Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/content/pkgsite-redesign.article b/content/pkgsite-redesign.article
index e68a16a..bb9658b 100644
--- a/content/pkgsite-redesign.article
+++ b/content/pkgsite-redesign.article
@@ -5,8 +5,8 @@
 
 ##
 
-Since launching pkg.go.dev, we’ve received a lot of great feedback on
-design and usability.
+Since launching [pkg.go.dev](https://pkg.go.dev), we’ve received a lot of great
+feedback on design and usability.
 In particular, it was clear that the way information was organized confused
 users when navigating the site.
 
@@ -24,9 +24,13 @@
 every path page will have the same layout,
 with the goal of making the experience consistently useful and predictable.
 
-<div class="image">
-<img src="pkgsite-redesign/path.png" width="800" alt="Landing page for cloud.google.com/go/storage" style="border: 1px solid black;">
-</div>
+<figure class="image">
+  <img src="pkgsite-redesign/path.png" width="800" alt="Landing page for cloud.google.com/go/storage" style="border: 1px solid black;">
+  <figcaption>
+    Fig 1. Landing page for
+    <a href="https://pkg.go.dev/cloud.google.com/go/storage">https://pkg.go.dev/cloud.google.com/go/storage</a>.
+  </figcaption>
+</figure>
 
 The path page will display the README at that path if there is one.
 Previously, the overview tab only showed the README if present at the module root.
@@ -41,9 +45,13 @@
 to search for identifiers.
 
 
-<div class="image">
-<img src="pkgsite-redesign/nav.png" width="800" alt="Jump To feature navigating net/http" style="border: 1px solid black;">
-</div>
+<figure class="image">
+  <img src="pkgsite-redesign/nav.png" width="800" alt="Jump To feature navigating net/http" style="border: 1px solid black;">
+  <figcaption>
+    Fig 2. Jump To feature on
+    <a href="https://pkg.go.dev/net/http">https://pkg.go.dev/net/http</a>.
+  </figcaption>
+</figure>
 
 See [Go issue 41587](https://golang.org/issue/41587) for details on changes in the documentation section.
 
@@ -54,9 +62,13 @@
 Banners also show information about the latest minor and major versions of a module.
 See [Go issue 41588](https://golang.org/issue/41588) for details.
 
-<div class="image">
-<img src="pkgsite-redesign/meta.png" width="800" alt="Header metadata for github.com/russross/blackfriday" style="border: 1px solid black;">
-</div>
+<figure class="image">
+  <img src="pkgsite-redesign/meta.png" width="800" alt="Header metadata for github.com/russross/blackfriday" style="border: 1px solid black;">
+  <figcaption>
+    Fig 3. Header metadata for
+    <a href="https://pkg.go.dev/github.com/russross/blackfriday">https://pkg.go.dev/github.com/russross/blackfriday</a>.
+  </figcaption>
+</figure>
 
 ## Video Walkthrough