build(aio): add github links to API doc members (#24000)

This change adds Github edit and view links to methods
and decorator options.

It is possible to add these to properties also but the
UI is rather tight as these are displayed in a table.

PR Close #24000

aio/src/styles/2-modules/_api-pages.scss

@@ -1,4 +1,4 @@
-.page-actions {
+.github-links {
   float: right;
   .material-icons {
     border-radius: 4px;
@@ -32,12 +32,28 @@
 
   .method-table, .option-table {
     th {
-      padding: 8px 16px;
+      display: flex;
+      align-items: center;
+
+      h3 {
+        flex: 1;
+      }
+
+      .github-links {
+        a {
+          color: $mediumgray;
+          .material-icons:hover {
+            background: none;
+            color: $blue;
+          }
+        }
+      }
     }
 
     h3 {
       margin: 6px 0;
       font-weight: bold;
+      clear: left;
     }
 
     h4 {