Add AppEngine skill info and experience detail.

_data/experience.yaml

@@ -195,7 +195,7 @@ roles:
     achievements:
       - id: wallet-profile
         description: >
-          Installed a new account template on the account creation service,
+          Built a new account template service on the App Engine backend,
           allowing users to create Google accounts which already had Wallet
           accounts set up.
       - id: dartui

_data/skills.yaml

@@ -121,6 +121,10 @@ categories:
     proficiency: 4
     name: PostgreSQL
     img: skills/libraries/postgres.svg
+  - id: appengine
+    proficiency: 3
+    name: App Engine/Datastore
+    img: skills/libraries/appengine.png
 - id: tools
   title: Tools
   skills:

_includes/components/footer.njk

@@ -27,6 +27,7 @@
   <p>PHP logo from <a href="https://www.php.net/download-logos.php">the PHP site</a>.</p>
   <p>C++ logo by <a href="https://github.com/isocpp/logos">Jeremy Kratz</a>.</p>
   <p>Bash logo from <a href="https://github.com/odb/official-bash-logo">the official repository</a>.</p>
+  <p>Rust logo from <a href="https://www.rust-lang.org/policies">the logo page</a>.</p>
 
   <p>React logo from <a href="https://reactjs.org/">the official site</a>.</p>
   <p>Angular logo from <a href="https://angular.io/presskit">the press kit</a>.</p>
@@ -37,6 +38,7 @@
   <p>SQLite logo from <a href="https://commons.wikimedia.org/wiki/File:Sqlite-square-icon.svg">the Wikimedia mirror of the official logo</a>.</p>
   <p>PostgreSQL logo from <a href="https://www.postgresql.jp/npo/logo/?searchterm=logo">the PostgreSQL JP site</a>.</p>
   <p>Eleventy logo from <a href="https://11ty.io">the Eleventy site</a>.</p>
+  <p>AppEngine logo from <a href="https://favpng.com/png_view/engine-google-app-engine-google-cloud-platform-google-compute-engine-cloud-computing-png/NgfHuMDX">FavPNG</a>.</p>
 
   <p>Git logo from <a href="https://git-scm.com/downloads/logos">the Git logo page</a>.</p>
   <p>Mercurial logo from <a href="https://www.selenic.com/hg-logo/">the Mercurial logo page</a>.</p>