Auto Build OpenWrt For newifi3 Using GitHub Actions

this my own using simple version

Usage

• Click the Use this template button to create a new repository.
• Generate .config files using Lean's OpenWrt source code. ( You can change it through environment variables in the workflow file. )
• Push .config file to the GitHub repository, and the build starts automatically.Progress can be viewed on the Actions page.
• When the build is complete, click the Artifacts button in the upper right corner of the Actions page to download the binaries.