add header links to the releases page

static/releases.html

@@ -62,7 +62,10 @@
             <noscript><strong>JavaScript is required to fetch the current list of releases from
             the update server.</strong></noscript>
 
-            <h2 id="stable-channel">Stable channel</h2>
+            <h2 id="stable-channel">
+                Stable channel
+                <a href="#stable-channel">¶</a>
+            </h2>
 
             <div id="crosshatch-stable">
                 <h3>Pixel 3 XL</h3>
@@ -107,7 +110,10 @@
                 <a>OTA update url loading...</a>
             </div>
 
-            <h2>Beta channel</h2>
+            <h2 id="beta-channel">
+                Beta channel
+                <a href="#beta-channel">¶</a>
+            </h2>
 
             <div id="crosshatch-beta">
                 <h3>Pixel 3 XL</h3>
@@ -157,7 +163,10 @@
             <p>List of tagged releases. Snapshot releases without tags such as early releases of
             the project and early device support releases are not listed.</p>
 
-            <h3 id="2019.05.08.15">2019.05.08.15</h3>
+            <h3 id="2019.05.08.15">
+                2019.05.08.15
+                <a href="#2019.05.08.15">¶</a>
+            </h3>
 
             <p>Tags:</p>
             <ul>
@@ -171,7 +180,10 @@
                 <li>fix cellular, hotspot and battery saver quick settings tiles (they became no-ops when unlocked)</li>
             </ul>
 
-            <h3 id="2019.05.07.00">2019.05.07.00</h3>
+            <h3 id="2019.05.07.00">
+                2019.05.07.00
+                <a href="#2019.05.07.00">¶</a>
+            </h3>
 
             <p>Tags:</p>
             <ul>
@@ -236,7 +248,10 @@
                 <li>SELinux policy: auditallow untrusted_app_all app_data_file execute_no_trans (moving back towards an exception system)</li>
             </ul>
 
-            <h3 id="2019.04.01.19">2019.04.01.19</h3>
+            <h3 id="2019.04.01.19">
+                2019.04.01.19
+                <a href="#2019.04.01.19">¶</a>
+            </h3>
 
             <p>Tags:</p>
             <ul>
@@ -246,7 +261,10 @@
             <p>Initial release of GrapheneOS. Detailed changelogs were not written at this
             point.</p>
 
-            <h3 id="2019.03.05.03">2019.03.05.03</h3>
+            <h3 id="2019.03.05.03">
+                2019.03.05.03
+                <a href="#2019.03.05.03">¶</a>
+            </h3>
 
             <p>Tags:</p>
             <ul>