README.md: change badge and how-to-build

README.md

@@ -4,7 +4,7 @@ based on [wsldl](https://github.com/yuk7/wsldl)
 
 ![screenshot](https://raw.githubusercontent.com/wiki/yuk7/wsldl/img/Alpine_Arch_Cent.png)
 
-[![Build Status](https://img.shields.io/travis/yuk7/AlpineWSL.svg?style=flat-square)](https://travis-ci.org/yuk7/AlpineWSL)
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/yuk7/AlpineWSL/Build%20Zip%20CI?style=flat-square)](https://github.com/yuk7/AlpineWSL/actions/workflows/build-zip.yaml)
 [![Github All Releases](https://img.shields.io/github/downloads/yuk7/AlpineWSL/total.svg?style=flat-square)](https://github.com/yuk7/AlpineWSL/releases/latest)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
 ![License](https://img.shields.io/github/license/yuk7/AlpineWSL.svg?style=flat-square)
@@ -79,3 +79,18 @@ AlpineWSL can build on GNU/Linux or WSL.
 ```shell
 $ make
 ```
+
+with flags:
+```
+$ make ARCH=arm64 OUT_ZIP=Alpine_arm64.zip
+```
+
+### Basic Params
+|  Parameter |  Value  |  Default  |
+| ---- | ---- | ---- |
+|  ARCH  |  x64/arm64  | x64 |
+|  LNCR_EXE  |  launcher file name  | Alpine.exe |
+|  OUT_ZIP  |  zip file name  | Alpine.zip |
+|  DLR  |  file downloader  | curl |
+|  DLR_FLAGS  |  downloader flags  | -L |
+|  BASE_URL  |  base rootfs url  | https:~ |