feat(backend): added whitenoise for backend

backend/Pipfile

@@ -15,6 +15,7 @@ django-cors-headers = "*"
 pillow = "*"
 djangorestframework-jwt = "*"
 gunicorn = "*"
+whitenoise = "*"
 
 [requires]
 python_version = "3.8"

backend/Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "408f67696e25dce5ccaf2d231898d55d2e9de2758ecd96631cfe7532ca9cf8b9"
+            "sha256": "cd366320b75b1430efc97f93ca86418b4431990547ddea8eeb3a7f7f35343bc6"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -206,6 +206,14 @@
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
             "version": "==1.26.3"
+        },
+        "whitenoise": {
+            "hashes": [
+                "sha256:05ce0be39ad85740a78750c86a93485c40f08ad8c62a6006de0233765996e5c7",
+                "sha256:05d00198c777028d72d8b0bbd234db605ef6d60e9410125124002518a48e515d"
+            ],
+            "index": "pypi",
+            "version": "==5.2.0"
         }
     },
     "develop": {}