Update instructions for publishing game

src/templates/upload.html

@@ -18,10 +18,10 @@ <h2>Drop your files here:</h2>
         <h2>How to Upload:</h2>
         <ol>
             <li>Navigate to the folder containing your Monogame game.</li>
-            <li>Run <br><code>dotnet publish -c Release -r linux-x64 --no-self-contained</code></li>
+            <li>Run <br><code>dotnet publish -c Release -r linux-x64 --self-contained</code></li>
             <li>Navigate to the newly created publish folder.</li>
-            <li>Create a manifest.json file with <u><a href="">this format</a></u> in that folder</li>
-            <li>Create a zip archive of all files in this folder</li>
+            <li>Create a zip archive containing this folder, a <code>banner.png</code>, and a <code>icon.png</code></li>
+            <li><strong>The name of the game binary must match the name you enter!</strong> (ex. If the title is `BrickBreaker`, the executable should be `BrickBreaker`)</li>
             <li>Upload file</li>
         </ol>
     </div>
@@ -47,4 +47,4 @@ <h2>You have no uploads!</h2>
 {% else %}
 <p id="description">This shouldn't be possible.  You're not authorized but you are logged in?  wacky.</p>
 {% endif %}
-{% endblock %}
+{% endblock %}