Added default options

src/config.js

@@ -1,6 +1,6 @@
 
-var fs = require('fs');
+const fs = require('fs');
-var config = undefined;
+let config = {};
 
 // Check to see if launched in test mode
 if (process.env.npm_lifecycle_script === 'node test.js') {
@@ -9,4 +9,27 @@ if (process.env.npm_lifecycle_script === 'node test.js') {
   config = JSON.parse(fs.readFileSync('config.json'));
 }
 
+addDefaults(config, {
+  "port": 80,
+  "behindProxy": "X-Forwarded-For",
+  "db": "./databases/sponsorTimes.db",
+  "privateDB": "./databases/private.db",
+  "createDatabaseIfNotExist": true,
+  "schemaFolder": "./databases",
+  "dbSchema": "./databases/_sponsorTimes.db.sql",
+  "privateDBSchema": "./databases/_private.db.sql",
+  "readOnly": false,
+  "webhooks": [],
+  "categoryList": ["sponsor", "intro", "outro", "interaction", "selfpromo", "music_offtopic"]
+})
+
 module.exports = config;
+
+// Add defaults
+function addDefaults(config, defaults) {
+  for (const key in defaults) {
+      if(!config.hasOwnProperty(key)) {
+        config[key] = defaults[key];
+      }
+  }
+};