add links to remaining non-top-level headers

static/index.html

@@ -51,7 +51,10 @@
             support for your own builds.</p>
             <p>The sources are available via the
             <a href="https://github.com/GrapheneOS/platform_manifest">manifest on GitHub</a>.</p>
-            <h2 id="early-stage-of-development">Early stage of development</h2>
+            <h2 id="early-stage-of-development">
+                Early stage of development
+                <a href="#early-stage-of-development">¶</a>
+            </h2>
             <p>GrapheneOS is a privacy / security research and engineering project that has been
             under way for over 5 years. It recently became rebranded as GrapheneOS and is taking a
             different direction based on obtaining funding for the research and development work
@@ -67,7 +70,10 @@
             applications. It will take more time to organize and deploy these resources in order
             for the project to have a strong development team with proper infrastructure behind
             it.</p>
-            <h2 id="roadmap">Roadmap</h2>
+            <h2 id="roadmap">
+                Roadmap
+                <a href="#roadmap">¶</a>
+            </h2>
             <p>Details on the roadmap of the project will be posted on the site in the near
             future. In the long term, it aims to move beyond a hardened fork of the Android Open
             Source Project. Achieving the goals requires moving away from relying the Linux kernel
@@ -77,7 +83,10 @@
             <p>Hardware and firmware security are core parts of the project, but it's currently
             limited to research and submitting suggestions and bug reports upstream. In the long
             term, the project will need to move into the hardware space.</p>
-            <h2 id="device-support">Device support</h2>
+            <h2 id="device-support">
+                Device support
+                <a href="#device-support">¶</a>
+            </h2>
             <p>In the current early stage of the project, GrapheneOS provides production releases
             for the Pixel, Pixel XL, Pixel 2, Pixel 2 XL, Pixel 3 and Pixel 3 XL. It will support
             other devices in the future, but devices are carefully chosen based on their merits