Add .nojekyll, direct APK link, and URL clarification to F-Droid page

The 404 was likely caused by using the old /fdroid/repo URL.
Added .nojekyll to prevent Jekyll interference with APK serving,
a direct GitHub Release download link as fallback, and a warning
about using the correct repo URL.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: sharpninja

.github/workflows/build-android.yml

@@ -397,6 +397,8 @@ jobs:
         run: |
           mkdir -p pages-output/repo
           cp docs/fdroid/index.html pages-output/
+          [ -f docs/fdroid/.nojekyll ] && cp docs/fdroid/.nojekyll pages-output/
+          touch pages-output/.nojekyll
           [ -f docs/fdroid/icon.png ] && cp docs/fdroid/icon.png pages-output/
           cp -r fdroid-workspace/repo/* pages-output/repo/
 

docs/fdroid/.nojekyll

@@ -22,6 +22,7 @@ <h2>Add this repository to F-Droid</h2>
     <div class="repo-url">
         <code>https://sharpninja.github.io/RequestTracker/repo</code>
     </div>
+    <p style="font-size:0.85em; color:#666;">⚠️ Make sure to use the URL above exactly. Do <strong>not</strong> add <code>/fdroid</code> to the path.</p>
 
     <h3>Steps:</h3>
     <ol>
@@ -33,6 +34,10 @@ <h3>Steps:</h3>
         <li>Pull to refresh and search for "RequestTracker"</li>
     </ol>
 
+    <h2>Direct APK Download</h2>
+    <p>You can also download the latest APK directly from the
+       <a href="https://github.com/sharpninja/RequestTracker/releases/latest">GitHub Releases</a> page.</p>
+
     <h2>About RequestTracker</h2>
     <p>RequestTracker is an Avalonia-based Android app for browsing, searching, and analyzing Copilot session logs.
        It supports phone (portrait NavigationView) and tablet (desktop-like) layouts.</p>