Decoupling more hardcoded data

- Created a json helper to streamline decoupling of hardcoded data
- Removed non-existent VR bridge reference
- News ticker files are no longer hardcoded to the game.
- Removed hardcoded city and mayor names using Json helper

scripts/autoload/jsonhelper.gd

@@ -0,0 +1,11 @@
+extends Node
+
+func key_value(json_path, json_file, key, is_dictionary = false):
+	var file = File.new()
+	var news_outlets_path = str(json_path + json_file);	
+	if file.file_exists(news_outlets_path):
+		file.open(news_outlets_path, File.READ)
+		var result = parse_json(file.get_as_text())
+		if is_dictionary == true:
+			result.clear()
+		return result[key]