test util: update cahce processor & update readme badge

.github/workflows/linux.yml

@@ -1,4 +1,4 @@
-name: Check Build
+name: Build
 
 on:
   pull_request:

README.md

@@ -5,7 +5,7 @@
   </p>
 
 [![Documentation](https://img.shields.io/badge/docs-master-blue?style=flat-square)](https://mcaptcha.github.io/guard/guard/)
-![CI (Linux)](<https://github.com/mCaptcha/guard/workflows/CI%20(Linux)/badge.svg>)
+[![Build](https://github.com/mCaptcha/guard/actions/workflows/linux.yml/badge.svg)](https://github.com/mCaptcha/guard/actions/workflows/linux.yml)
 [![dependency status](https://deps.rs/repo/github/mCaptcha/guard/status.svg?style=flat-square)](https://deps.rs/repo/github/mCaptcha/guard)
 [![codecov](https://codecov.io/gh/mCaptcha/guard/branch/master/graph/badge.svg?style=flat-square)](https://codecov.io/gh/mCaptcha/guard)
 <br />

src/tests-migrate.rs

@@ -77,8 +77,8 @@ fn cache_bust() {
     ];
 
     let config = BusterBuilder::default()
-        .source("./static-assets")
-        .result("./static")
+        .source("./static/cache")
+        .result("./assets")
         .mime_types(types)
         .copy(true)
         .follow_links(true)