refact: env file organization and comments

backend/services/controller/.env

@@ -1,5 +1,8 @@
-SECRET_API_KEY="secretkey" # !IMPORTANT: Change this to your own secret key, and don't share.
+# --------------------------------- database --------------------------------- #
-MONGO_URI=""
+MONGO_URI="" # example: mongodb://localhost:27017
+# ---------------------------------------------------------------------------- #
+
+# ----------------------------------- mqtt ----------------------------------- #
 DEVICES_STATUS_TOPIC=""
 DEVICE_PUB_TOPIC=""
 BROKER_ADDR=""
@@ -9,10 +12,28 @@ BROKER_USERNAME=""
 BROKER_PASSWORD=""
 BROKER_CLIENTID=""
 BROKER_QOS=""
+MQTT_DISABLE=""
+# ---------------------------------------------------------------------------- #
+
+# --------------------------------- api rest --------------------------------- #
+SECRET_API_KEY="secretkey" # !IMPORTANT: Change this to your own secret key, and don't share.
 REST_API_PORT=""
 REST_API_CORS="" # addresses must be separated by commas example: "http://localhost:3000,http://myapp.com"
+# ---------------------------------------------------------------------------- #
+
+# ----------------------------------- stomp ---------------------------------- #
 STOMP_ADDR="" # example: localhost:61613
 STOMP_USERNAME=""
 STOMP_PASSWORD=""
-MQTT_DISABLE=""
+STOMP_DISABLE=""
-STOMP_DISABLE=""
+# ---------------------------------------------------------------------------- #
+
+# -------------------------------- websockets -------------------------------- #
+WS_ADDR=""
+WS_PORT=""
+WS_TOKEN=""
+WS_TLS=""
+WS_AUTH=""
+WS_ROUTE=""
+WS_DISABLE=""
+# ---------------------------------------------------------------------------- #