remove cookies and change to example file

backend/.gitignore

@@ -3,4 +3,5 @@ bin/
 obj/
 
 *.db
-*.env
+*.env
+cookies.json

backend/cookies.json

@@ -1,4 +0,0 @@
-{
-  "Name": "session_cookie",
-  "Value": "session_cookie_c_PhxGlrrYcWY1h9cQ6mu_LxsDIVu0u_Nv0qAK1WmvcZiZXQ_FcwXZZXDk5Tm0qrqZTHHs800Pv5bTMGIrfa8Q=="
-}

backend/example-cookies.json

@@ -0,0 +1,4 @@
+{
+  "Name": "cookie_name",
+  "Value": "random cookie value here"
+}