Preparation for initial Flatpack and FlatHub integration (#3173)

* Preparation for initial Flatpack and FlatHub integration

This integrate some initial changes required for Flatpack and distribution from FlatHub.

Also added some resources that will be used for packaging on Linux.

* Address gdkchan comment

distribution/linux/ryujinx-logo.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 255.76 255.76"><defs><style>.cls-1{fill:#02c5e5;}.cls-2{fill:#ff5f55;}.cls-3{fill:none;}</style></defs><g id="Ebene_2" data-name="Ebene 2"><g id="Ebene_1-2" data-name="Ebene 1"><g id="Ebene_2-2" data-name="Ebene 2"><g id="Ebene_1-2-2" data-name="Ebene 1-2"><path class="cls-1" d="M80.63,0V220.39H44.37c-14,0-35.74-20.74-35.74-39.13V40.13C8.63,19.19,31.36,0,49.06,0Z"/><path class="cls-2" d="M175.13,35.37V255.76h36.26c14,0,35.74-20.74,35.74-39.13V75.5c0-20.94-22.73-40.13-40.43-40.13Z"/><polygon class="cls-1" points="124.34 137.96 122.58 145.57 90.64 145.57 92.89 137.96 124.34 137.96"/><polygon class="cls-2" points="160.29 137.96 157.84 145.57 122.58 145.57 124.34 137.96 160.29 137.96"/><polygon class="cls-1" points="130.39 111.86 128.62 119.47 95.14 119.47 97.39 111.86 130.39 111.86"/><polygon class="cls-2" points="164.79 111.86 162.34 119.47 128.62 119.47 130.39 111.86 164.79 111.86"/><polygon class="cls-1" points="104.24 167.99 122.83 87.77 129.78 87.77 111.19 167.99 104.24 167.99"/><polygon class="cls-2" points="128.18 167.99 146.77 87.77 153.89 87.77 135.3 167.99 128.18 167.99"/></g><rect class="cls-3" width="255.76" height="255.76"/></g></g></g></svg>

distribution/linux/ryujinx-mime.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
+    <mime-type type="application/x-nx-nca">
+        <comment>Nintendo Content Archive</comment>
+        <glob pattern="*.nca"/>
+    </mime-type>
+    <mime-type type="application/x-nx-nro">
+        <comment>Nintendo Relocatable Object</comment>
+        <glob pattern="*.nro"/>
+    </mime-type>
+    <mime-type type="application/x-nx-nso">
+        <comment>Nintendo Shared Object</comment>
+        <glob pattern="*.nso"/>
+    </mime-type>
+    <mime-type type="application/x-nx-nsp">
+        <comment>Nintendo Submission Package</comment>
+        <glob pattern="*.nsp"/>
+    </mime-type>
+    <mime-type type="application/x-nx-xci">
+        <comment>Nintendo Switch Cartridge</comment>
+        <glob pattern="*.xci"/>
+    </mime-type>
+</mime-info>

distribution/linux/ryujinx.desktop

@@ -0,0 +1,14 @@
+[Desktop Entry]
+Version=1.0
+Name=Ryujinx
+Comment=A Nintendo Switch Emulator
+Type=Application
+GenericName=Nintendo Switch Emulator
+Icon=ryujinx
+Terminal=false
+Exec=Ryujinx %f
+Categories=Game;Emulator;GTK;
+MimeType=application/x-nx-nca;application/x-nx-nro;application/x-nx-nso;application/x-nx-nsp;application/x-nx-xci;
+Keywords=Switch;Nintendo;Emulator;
+StartupWMClass=Ryujinx
+PrefersNonDefaultGPU=true