Improve README

Author: andyone

.github/images/card.svg

@@ -1,14 +1,14 @@
-<p align="center"><a href="#readme"><img src="https://gh.kaos.st/sslcli.svg"/></a></p>
+<p align="center"><a href="#readme"><img src=".github/images/card.svg"/></a></p>
 
 <p align="center">
   <a href="https://kaos.sh/w/sslcli/ci"><img src="https://kaos.sh/w/sslcli/ci.svg" alt="GitHub Actions CI Status" /></a>
   <a href="https://kaos.sh/r/sslcli"><img src="https://kaos.sh/r/sslcli.svg" alt="GoReportCard" /></a>
   <a href="https://kaos.sh/b/sslcli"><img src="https://kaos.sh/b/edc52bb1-c807-470b-8466-b86cc0cfcdbe.svg" alt="codebeat badge" /></a>
   <a href="https://kaos.sh/w/sslcli/codeql"><img src="https://kaos.sh/w/sslcli/codeql.svg" alt="GitHub Actions CodeQL Status" /></a>
-  <a href="#license"><img src="https://gh.kaos.st/apache2.svg"></a>
+  <a href="#license"><img src=".github/images/license.svg"/></a>
 </p>
 
-<p align="center"><a href="#usage-demo">Usage demo</a> • <a href="#installation">Installation</a> • <a href="#feature-list">Feature list</a> • <a href="#usage">Usage</a> • <a href="#build-status">Build Status</a> • <a href="#contributing">Contributing</a> • <a href="#terms-of-use">Terms of Use</a> • <a href="#license">License</a></p>
+<p align="center"><a href="#usage-demo">Usage demo</a> • <a href="#installation">Installation</a> • <a href="#feature-list">Feature list</a> • <a href="#usage">Usage</a> • <a href="#ci-status">CI Status</a> • <a href="#contributing">Contributing</a> • <a href="#terms-of-use">Terms of Use</a> • <a href="#license">License</a></p>
 
 <br/>
 
@@ -69,7 +69,7 @@ docker run --rm -it ghcr.io/essentialkaos/sslcli:latest mydomain.com
 
 <img src=".github/images/usage.svg" />
 
-### Build Status
+### CI Status
 
 | Branch | Status |
 |------------|--------|