chore: standardize github download labels (#41)

Author: eduardomozart

apps/moonlight/moonlight-embedded.json

@@ -26,7 +26,7 @@
   ],
   "downloads": [
     {
-      "label": "Download",
+      "label": "Download on GitHub",
       "url": "https://github.com/irtimmer/moonlight-embedded/wiki/Packages"
     }
   ]

apps/moonlight/moonlight-n3ds.json

@@ -25,7 +25,7 @@
   ],
   "downloads": [
     {
-      "label": "Download",
+      "label": "Download on GitHub",
       "url": "https://github.com/zoeyjodon/moonlight-N3DS"
     }
   ]

apps/moonlight/moonlight-tv.json

@@ -30,7 +30,7 @@
   ],
   "downloads": [
     {
-      "label": "Download",
+      "label": "Download on GitHub",
       "url": "https://github.com/mariotaku/moonlight-tv#download"
     }
   ]

apps/moonlight/moonlight-wiiu.json

@@ -25,7 +25,7 @@
   ],
   "downloads": [
     {
-      "label": "Download",
+      "label": "Download on GitHub",
       "url": "https://github.com/GaryOderNichts/moonlight-wiiu#quick-start"
     }
   ]