EL-001(feat): optimized code structure (#5)

Co-authored-by: yuanyou <[email protected]>

README.md

@@ -8,15 +8,15 @@
 go install github.com/elza2/go-cyclic@latest
 # path 路径要设置为 go.mod 文件所在的路径.
 # filter 过滤匹配的文件, 多个条件使用逗号隔开(,)
-go-cyclic --dir .path [--filter *_test.go]
+go-cyclic run --dir .path [--filter *_test.go]
 ```
 
 运行测试
 ===============
 ```bash
 git clone https://github.com/elza2/go-cyclic.git
 # path 路径要设置为 go.mod 文件所在的路径.
-go run ./main.go --dir .path [--filter *_test.go]
+go run ./main.go run --dir .path [--filter *_test.go]
 ```
 
 运行结果

action/action.go

@@ -0,0 +1,14 @@
+package action
+
+import (
+	"github.com/urfave/cli/v2"
+
+	"github.com/elza2/go-cyclic/core"
+)
+
+func CheckCyclic(ctx *cli.Context) error {
+	dir := ctx.String("dir")
+	filter := ctx.String("filter")
+
+	return core.Do(dir, filter)
+}