feat: Add value proposition to GTM strategy, update hero subtitle, and introduce new Open Graph image.

Author: Bharath-code

docs/GTM_STRATEGY.md

@@ -7,6 +7,9 @@
 - **Solution**: A terminal-based "God Mode" dashboard for local git state.
 - **Vibe**: Loves CLI tools, hates bloated GUIs (Electron apps), values speed and minimalism.
 
+## 💎 Value Proposition
+**Git-Scope** helps **busy developers** **instantly find, filter, and manage 50+ repos** so you can **stay in your flow state** without **endlessly `cd`-ing through nested directories.**
+
 ---
 
 ## 📢 Channel Strategy

docs/index.html

@@ -42,15 +42,15 @@
     <meta property="og:title" content="Git-Scope | Control Your Git Universe">
     <meta property="og:description"
         content="A blazing fast TUI to manage, search, and clean up all your local git repositories. Zero config required.">
-    <meta property="og:image" content="https://raw.githubusercontent.com/Bharath-code/git-scope/main/demo.gif">
+    <meta property="og:image" content="https://bharath-code.github.io/git-scope/og-image.png">
 
     <!-- Twitter -->
     <meta property="twitter:card" content="summary_large_image">
     <meta property="twitter:url" content="https://bharath-code.github.io/git-scope/">
     <meta property="twitter:title" content="Git-Scope | Control Your Git Universe">
     <meta property="twitter:description"
         content="A blazing fast TUI to manage, search, and clean up all your local git repositories. Zero config required.">
-    <meta property="twitter:image" content="https://raw.githubusercontent.com/Bharath-code/git-scope/main/demo.gif">
+    <meta property="twitter:image" content="https://bharath-code.github.io/git-scope/og-image.png">
 
     <!-- Fonts -->
     <link rel="preconnect" href="https://fonts.googleapis.com">
@@ -499,8 +499,8 @@
             <section class="hero">
                 <h1>Stop <span class="gradient-text">CD-ing.</span> <br> Start Coding.</h1>
                 <p class="subtitle">
-                    God-mode for your git repositories. Manage, search, and clean up 50+ projects in milliseconds.<br>
-                    Runs on <strong>macOS</strong>, <strong>Linux</strong>, and <strong>Windows</strong>.
+                    Git-Scope helps busy developers instantly find, filter, and manage 50+ repos so you can stay in your
+                    flow state without endlessly <code>cd</code>-ing through nested directories.
                 </p>
 
                 <div class="install-section">