Added AppData file

pkg/appdata.xml

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<component type="desktop">
+	<id>gpxsee.desktop</id>
+	<metadata_license>MIT</metadata_license>
+	<project_license>GPL-3.0</project_license>
+
+	<name>GPXSee</name>
+	<summary>GPS log file viewer and analyzer</summary>
+	<description>
+		<p>GPXSee is a GPS log file viewer and analyzer that supports GPX, TCX,
+		KML, FIT, IGC and NMEA files.</p>
+
+		<p>Features:</p>
+		<ul>
+			<li>User-definable online maps.</li>
+			<li>Offline maps (OziExplorer maps, TrekBuddy maps/atlases, GeoTIFF
+				images).</li>
+			<li>Elevation, speed, heart rate, cadence, power and temperature
+				graphs.</li>
+			<li>Support for multiple tracks in one view.</li>
+			<li>Support for POI files.</li>
+			<li>Print/export to PDF.</li>
+			<li>Full-screen mode.</li>
+			<li>Opens GPX, TCX, FIT, KML, IGC, NMEA and Garmin CSV files.</li>
+		</ul>
+	</description>
+
+​	<screenshots>
+​		<screenshot type="default">
+​			<image>http://www.gpxsee.org/gallery/lin1.png</image>
+​		</screenshot>
+​		<screenshot>
+​			<image>http://www.gpxsee.org/gallery/lin2.png</image>
+​		</screenshot>
+​	</screenshots>
+
+	<categories>
+		<category>Graphics</category>
+		<category>Viewer</category>
+	</categories>
+
+	<url type="homepage">http://www.gpxsee.org</url>
+
+	<launchable type="desktop-id">gpxsee.desktop</launchable>
+
+	<provides>
+		<binary>gpxsee</binary>
+	</provides>
+
+	<mimetypes>
+		<mimetype>application/gpx+xml</mimetype>
+		<mimetype>application/tcx+xml</mimetype>
+		<mimetype>application/vnd.ant.fit</mimetype>
+		<mimetype>application/vnd.google-earth.kml+xml</mimetype>
+		<mimetype>application/vnd.fai.igc</mimetype>
+		<mimetype>application/vnd.nmea.nmea</mimetype>
+	</mimetypes>
+</component>