Membership registration & payment API (#4)

* remove newrelic from use in devenv

* add endpoint for membership payments

* fix some wierd spaces

* minor code styling and logging stuff

* replace non-breaking spaces with normal ones

* remove duplicate function

* minor code styling

* add functionality for writing new member to google sheets

* add config example

* update example config, start using config in google credentials

* remove var creds from google sheets auth

* rename config.example to config.template and fix readme

* add async and google-spreadsheet packages

* rename workingWithRows to addRow

* return missing header from readme

* minor code styling

* flatten google config structure, add address fields

* add request validation to membership endpoint

* fix config field names

* more error handling, fix indentation

config.template.json

@@ -1,5 +1,32 @@
 {
-  "all": {
+  "development": {
+    "stripe": {
+      "secretKey": ""
+    },
+    "slack": {
+      "token": "",
+      "privateChannel": "",
+      "publicChannel": ""
+    },
+    "github": {
+      "token": ""
+    },
+    "twitter": {
+      "consumerKey": "",
+      "consumerSecret": "",
+      "token": "",
+      "tokenSecret": ""
+    },
+    "google": {
+      "spreadsheetId": "",
+      "clientEmail": "",
+      "privateKey": ""
+    }
+  },
+  "production": {
+    "stripe": {
+      "secretKey": ""
+    },
     "slack": {
       "token": "",
       "privateChannel": "",
@@ -14,5 +41,7 @@
       "token": "",
       "tokenSecret": ""
     }
+  },
+  "all": {
   }
 }