add pre-commit config

.github/workflows/publish.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip 
-          pip install "virtualenv<21" hatch
+          pip install hatch
 
       - name: Build package
         run: hatch build

.pre-commit-config.yaml

@@ -0,0 +1,7 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: trailing-whitespace

README.md

@@ -66,6 +66,12 @@ Q3RCON_TUI_RAW=false
 Q3RCON_TUI_APPEND=false
 ```
 
+## Use
+
+Type in your Rcon command and press ENTER.
+
+Press `Ctrl+q` to exit from the application.
+
 ## Special Thanks
 
 - [lapetus-11](https://github.com/Iapetus-11) for writing the [aio-q3-rcon](https://github.com/Iapetus-11/aio-q3-rcon) package.