add github build ci workflow

Author: hellobertrand

.github/workflows/build.yaml

@@ -0,0 +1,23 @@
+name: Build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+
+      - run: python -m pip install --upgrade build twine
+      - run: python -m build

README.md

@@ -1,5 +1,6 @@
 # ScreenshotMAX Python SDK
 
+[![build](https://github.com/screenshotmax/python-sdk/actions/workflows/build.yml/badge.svg)](https://github.com/screenshotmax/python-sdk/actions/workflows/build.yml)
 [![test](https://github.com/screenshotmax/python-sdk/actions/workflows/test.yml/badge.svg)](https://github.com/screenshotmax/python-sdk/actions/workflows/test.yml)
 
 This is the official Python SDK for the [ScreenshotMAX API](https://screenshotmax.com/).
@@ -18,15 +19,16 @@ Use the SDK to generate signed or unsigned URLs for screenshots, PDFs, web scrap
 ### Screenshot example
 ```python
 from screenshotmax import SDK
+from screenshotmax.enum import ImageFormat
 from screenshotmax.options import ScreenshotOptions
 
 sdk = SDK("<ACCESS_KEY>", "<SECRET_KEY>")
 
 # set up options
-opts = ScreenshotOptions(url="https://example.com")
+opts = ScreenshotOptions(url="https://example.com", format=ImageFormat.PNG)
 sdk.screenshot.set_options(opts)
 
-#// generate URL (https://api.screenshotmax.com/v1/screenshot?url=https%3A%2F%2Fexample.com&image_width=1280&image_height=720&format=png&image_quality=80&access_key=<ACCESS_KEY>&signature=370f5b161bc59eed13b76........1f778635d7fc595dbab12)
+# generate URL (https://api.screenshotmax.com/v1/screenshot?url=https%3A%2F%2Fexample.com&format=png&access_key=<ACCESS_KEY>&signature=370f5b161bc59eed13b76........1f778635d7fc595dbab12)
 url = sdk.screenshot.get_url()
 
 # generate screenshot