docs: wrong usage guide

Author: ronnnnn

CHANGELOG.md

@@ -2,7 +2,6 @@
 
 ## 1.0.0 (2024-08-26)
 
-
 ### Features
 
-* setup FlutterGen action ([f14222a](https://github.com/FlutterGen/setup-fluttergen/commit/f14222a45dd13992645bf35b8e4e14e68675e53c))
+- setup FlutterGen action ([f14222a](https://github.com/FlutterGen/setup-fluttergen/commit/f14222a45dd13992645bf35b8e4e14e68675e53c))

README.md

@@ -9,7 +9,7 @@ Install `fluttergen` command in GitHub Actions.
 # Usage
 
 ```yaml
-- uses: FluttterGen/setup-fluttergen@v1
+- uses: FlutterGen/setup-fluttergen@v1
   with:
     version: 5.6.0
 ```

action.yml

@@ -1,6 +1,6 @@
 name: 'Setup FlutterGen'
 author: 'FlutterGen'
-description: 'Set up FlutterGen CLI in your GitHub Actions workflow'
+description: 'Setup FlutterGen CLI in your GitHub Actions workflow'
 inputs:
   version:
     description: 'FlutterGen version (optional, will be detected from project root .tool-versions or .mise.toml if not provided)'