ADD: JSON reader, and map config read from file

json_object.py

@@ -0,0 +1,12 @@
+import json
+
+class JSONObject:
+    def __init__(self, path):
+        self.path = path
+
+    def read(self):
+        with open(self.path, "r") as f:
+            return json.load(f)
+        
+    def get(self, key):
+        return self.read()[key]