docs: update README.md

src/App.tsx

@@ -316,9 +316,10 @@ const App: FC = () => {
 
     return (
         <>
-            <h2>
-                有解的羊了个羊(DEMO) <GithubIcon />
-            </h2>
+            <h2>有解的羊了个羊(DEMO)</h2>
+            <h6>
+                <GithubIcon />
+            </h6>
             <h3>Level: {level} </h3>
 
             <div className="app">

src/GithubIcon.tsx

@@ -7,6 +7,7 @@ export const GithubIcon: FC = () => {
             target="_blank"
             rel="noreferrer"
         >
+            点个✨不迷路 @StreakingMan
             <svg
                 height="24"
                 aria-hidden="true"
@@ -15,6 +16,7 @@ export const GithubIcon: FC = () => {
                 width="24"
                 data-view-component="true"
                 className="octicon octicon-mark-github v-align-middle"
+                fill="currentColor"
             >
                 <path
                     fillRule="evenodd"