#90 Feature/setup ci cd

Closes #90

Setup runner and GCP

Also did config for #91

if it's sufficient, this MR could also close #89 and #91

backend/src/config/config.json

@@ -22,5 +22,13 @@
     "host": "34.69.41.145",
     "port": "5432",
     "dialect": "postgres"
+  },
+  "test-prod": {
+    "username": "postgres",
+    "password": "postgres",
+    "database": "ppl_test",
+    "host": "34.69.41.145",
+    "port": "5432",
+    "dialect": "postgres"
   }
 }