docs: update readme

Author: shenxianpeng

README.md

@@ -14,9 +14,13 @@ You can access all available  Clang Tools Docker images via [Docker Hub registry
 
 * [`all`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.all) (Supports versions of clang-tools includes `20`, `19`, `18`, `17`, `16`, `15`, `14`, `13`, `12`, `11`, `10`, `9`)
 * [`20`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)
+* [`20-alpine`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.alpine)
 * [`19`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)
+* [`19-alpine`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.alpine)
 * [`18`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)
+* [`18-alpine`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.alpine)
 * [`17`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)
+* [`17-alpine`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.alpine)
 * [`16`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)
 * [`16-alpine`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile.alpine)
 * [`15`](https://github.com/cpp-linter/clang-tools-docker/blob/master/Dockerfile)

docker-bake.hcl

@@ -44,7 +44,7 @@ target "all" {
     "${DOCKER_REPO}:all",
     "${GITHUB_REPO}:all"
   ]
-  platforms = ["linux/amd64"]
+  platforms = ["linux/amd64", "linux/arm64"]
 }
 
 target "clang-tools" {