lib/flipper-gblink: Initial commit, v0.5

Updates application.fam to support this as well as updates/moves
fields from the flipper-application-catalog .yml here in preparation
for cleaning that up on the next version.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "lib/flipper-gblink"]
+	path = lib/flipper-gblink
+	url = https://github.com/kbembedded/flipper-gblink

application.fam

@@ -9,6 +9,13 @@ App(
     fap_category="GPIO",
     fap_icon="pokemon_10px.png",
     fap_icon_assets="assets",
-    fap_author="Esteban Fuentealba",
-    fap_weburl="https://github.com/EstebanFuentealba"
+    fap_author="Esteban Fuentealba, Kris Bahnsen, Darryn Cull",
+    fap_weburl="https://github.com/EstebanFuentealba",
+    fap_description="Pokemon exchange from Flipper Zero to Game Boy for Generation I (Pokemon Red, Blue, Yellow)",
+    fap_private_libs=[
+        Lib(
+            name="flipper-gblink",
+            sources=["gblink.c"],
+        ),
+    ],
 )