restructured the project to comply community guideline, for others check release note

internal/watcher/file_watcher.go

@@ -0,0 +1,17 @@
+package watcher
+
+import (
+	"context"
+
+	E "github.com/yusing/go-proxy/internal/error"
+)
+
+type fileWatcher struct {
+	relPath string
+	eventCh chan Event
+	errCh   chan E.NestedError
+}
+
+func (fw *fileWatcher) Events(ctx context.Context) (<-chan Event, <-chan E.NestedError) {
+	return fw.eventCh, fw.errCh
+}