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

internal/api/v1/error_page/http_handler.go

@@ -0,0 +1,25 @@
+package error_page
+
+import "net/http"
+
+func GetHandleFunc() http.HandlerFunc {
+	setup()
+	return serveHTTP
+}
+
+func serveHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+	if r.URL.Path == "/" {
+		http.Error(w, "invalid path", http.StatusNotFound)
+		return
+	}
+	content, ok := fileContentMap.Load(r.URL.Path)
+	if !ok {
+		http.Error(w, "404 not found", http.StatusNotFound)
+		return
+	}
+	w.Write(content)
+}