docs: Add some more example.

config.yaml.example

@@ -0,0 +1,13 @@
+multiplexer:
+  address: 0.0.0.0
+  format:
+    prettyprint: false
+qbittorrent:
+  - url: http://127.0.0.1:11001
+    username: user
+    password: password
+    name: "1"
+  - url: http://127.0.0.1:11002
+    username: user
+    password: password
+    name: "2"

docker-compose.yaml

@@ -9,7 +9,7 @@ services:
       COMPOSE_PROJECT_NAME: ${COMPOSE_PROJECT_NAME}
       MULTIPLEXER_PORT: ${MULTIPLEXER_PORT}
     volumes:
-      - ./config.yaml:/config/config.yaml
+      - ./config.yaml.example:/config/config.yaml
     build: .
     develop:
       watch: