update systemApp.json for microG package

app/src/main/assets/systemApp.json

 {
-  "com.explusalpha.Snes9xPlus":{
-    "url" : "https://cleanapk.org/#/app/5b15b33a89bb693d3a3e806b",
-    "project_id" : "1001",
-    "app_name": "Snes9x EX+"
+
+  "com.google.android.gms": {
+    "url": "https://gitlab.e.foundation/e/apps/GmsCore",
+    "project_id": "149",
+    "app_name": "microG Exposure Notification version"
+  },
+  "foundation.e.mail": {
+    "url": "https://gitlab.e.foundation/e/apps/Mail",
+    "project_id": "13",
+    "app_name": "Mail"
   }
+
 }
\ No newline at end of file