seo: add canonical link for GoatCounter and SEO

Author: Bharath-code

docs/index.html

@@ -7,6 +7,7 @@
     <title>Git-Scope | Control Your Git Universe</title>
     <meta name="description"
         content="A blazing fast TUI to manage, search, and clean up all your local git repositories. Zero config required.">
+    <link rel="canonical" href="https://bharath-code.github.io/git-scope/">
 
     <!-- Open Graph / Facebook -->
     <meta property="og:type" content="website">