Add workflow

.github/workflows/ci.yaml

@@ -0,0 +1,17 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: php-actions/composer@v6
+      - uses: php-actions/phpunit@v3
+        with:
+          php_version: 8.2
+          version: 10
+          bootstrap: './vendor/autoload.php'
+          args: '--testdox --colors=always ./tests/'

README.md

@@ -1,8 +1,14 @@
-### Connect to WebSocket endpoint with Guzzle HTTP client
+## Connect to WebSocket endpoints with Guzzle HTTP client
 
-**NOTE:** Only `StreamHandler` supported (so no `CurlHandler`!).
+**NOTE:** Only `StreamHandler` supported (so not `CurlHandler`!).
 
----
+### Installation
+
+```
+composer install valtzu/guzzle-websocket-middleware
+```
+
+### Usage
 
 Guzzle's `synchronous` option is used to configure the stream blocking option.