Add tracy dump mime type definition.

extra/desktop/application-tracy.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
+    <mime-type type="application/tracy">
+        <comment>Tracy Profiler trace file</comment>
+        <comment xml:lang="pl">Zrzut sesji profilera Tracy</comment>
+        <icon name="application-tracy"/>
+        <magic>
+            <match type="string" value="tlZ\x04" offset="0"/>
+            <match type="string" value="tZst" offset="0"/>
+        </magic>
+        <glob pattern="*.tracy"/>
+    </mime-type>
+</mime-info>

extra/desktop/tracy.desktop

@@ -2,8 +2,12 @@
 Version=1.0
 Type=Application
 Name=Tracy Profiler
-Exec=/usr/bin/tracy
+GenericName=Code profiler
+GenericName[pl]=Profiler kodu
+Comment=Examine code to see where it is slow
+Comment[pl]=Znajdowanie wolno wykonującego się kodu
+Exec=/usr/bin/tracy %f
 Icon=tracy
 Terminal=false
-StartupNotify=true
+Categories=Development;Profiling;
-StartupWMClass=tracy
+MimeType=application/tracy;