q2pro.desktop update, better icon, include metainfo for packaging

src/unix/res/com.github.skullernet.q2pro.metainfo.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2013 First Lastname <[email protected]> -->
+<component type="desktop-application">
+  <id>com.github.skullernet.q2pro</id>
+  <metadata_license>CC0-1.0</metadata_license>
+  <project_license>GPL-2.0+</project_license>
+  <name>Q2PRO</name>
+  <summary>Enhanced Quake 2 client</summary>
+
+  <description>
+    <p>Q2PRO is an enhanced, multiplayer oriented Quake 2 client and server.</p>
+    <p>Features include:</p>
+    <ul>
+      <li>rewritten OpenGL renderer optimized for stable FPS</li>
+      <li>enhanced client console with persistent history</li>
+      <li>ZIP packfiles (.pkz), JPEG and PNG textures, MD3 models</li>
+      <li>fast HTTP downloads</li>
+      <li>multichannel sound using OpenAL</li>
+      <li>recording from demos, forward and backward seeking</li>
+      <li>server side multiview demos and GTV capabilities</li>
+    </ul>
+  </description>
+
+  <launchable type="desktop-id">com.github.skullernet.q2pro.desktop</launchable>
+
+  <screenshots>
+    <screenshot type="default">
+      <image>https://raw.githubusercontent.com/flathub/com.github.skullernet.q2pro/master/screenshots/1.png</image>
+    </screenshot>
+    <screenshot>
+      <image>https://raw.githubusercontent.com/flathub/com.github.skullernet.q2pro/master/screenshots/2.png</image>
+    </screenshot>
+    <screenshot>
+      <image>https://raw.githubusercontent.com/flathub/com.github.skullernet.q2pro/master/screenshots/3.png</image>
+    </screenshot>
+  </screenshots>
+
+  <url type="homepage">http://skuller.net/q2pro</url>
+
+  <releases>
+    <release version="r2004" date="2022-08-04"/>
+    <release version="r1861" date="2021-09-12"/>
+    <release version="r1826" date="2018-12-28">
+      <description>
+        <p>Make timescale check period configurable.</p>
+      </description>
+    </release>
+  </releases>
+
+  <content_rating type="oars-1.1">
+    <content_attribute id="violence-realistic">moderate</content_attribute>
+    <content_attribute id="violence-bloodshed">moderate</content_attribute>
+    <content_attribute id="violence-desecration">moderate</content_attribute>
+    <content_attribute id="social-chat">intense</content_attribute>
+  </content_rating>
+</component>

src/unix/res/q2pro.desktop

@@ -1,8 +1,9 @@
 [Desktop Entry]
 Name=Q2PRO
 GenericName=Quake 2 client
-Exec=q2pro
+Exec=q2pro +connect %u
 Icon=q2pro
 Terminal=false
 Type=Application
 Categories=Game;ActionGame;
+MimeType=x-scheme-handler/quake2;