Added mime type and recognition rule for SoundFonts

src/data/mime_db/audio/x-soundfont

@@ -0,0 +1,13 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "audio/x-soundfont";
+
+resource(2, "META:S:DESC") #'MSDC' "SF2 SoundFont";
+
+resource(3, "META:EXTENS") message(234) {
+	"extensions" = "sf2",
+	"type" = "audio/x-soundfont"
+};
+
+resource(5, "META:SNIFF_RULE") "0.50 ('RIFF') ([7] 'sfbkLIST')";