feat: adapt AyuGram to Flatpak (#10)

lib/xdg/ayugram.desktop.service

@@ -1,3 +0,0 @@
-[D-BUS Service]
-Name=ayugram.desktop
-Exec=@CMAKE_INSTALL_FULL_BINDIR@/ayugram-desktop

lib/xdg/com.ayugram.desktop.desktop

@@ -3,7 +3,7 @@ Name=AyuGram Desktop
 Comment=Desktop version of AyuGram - ToS breaking Telegram client
 TryExec=ayugram-desktop
 Exec=DESKTOPINTEGRATION=1 ayugram-desktop -- %u
-Icon=telegram
+Icon=ayugram
 Terminal=false
 StartupWMClass=AyuGram
 Type=Application

lib/xdg/com.ayugram.desktop.metainfo.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <component type="desktop">
-    <id>ayugram.desktop</id>
+    <id>com.ayugram.desktop</id>
     <metadata_license>CC0-1.0</metadata_license>
     <project_license>GPL-3.0</project_license>
     <name>AyuGram Desktop</name>
@@ -73,7 +73,7 @@
         <content_attribute id="money-gambling">none</content_attribute>
         <content_attribute id="money-advertising">moderate</content_attribute>
     </content_rating>
-    <launchable type="desktop-id">ayugram.desktop.desktop</launchable>
+    <launchable type="desktop-id">com.ayugram.desktop.desktop</launchable>
     <provides>
         <binary>ayugram-desktop</binary>
     </provides>

lib/xdg/com.ayugram.desktop.service

@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=com.ayugram.desktop
+Exec=@CMAKE_INSTALL_FULL_BINDIR@/com.ayugram.desktop