Fix docs: correct install URL (M-3), replace false SDK claims with fetch example (M-2)

src/app/docs/installation/page.tsx

@@ -84,7 +84,7 @@ export default function DocsInstallationPage() {
         </p>
 
         <h3>Step 1: Clone the repository</h3>
-        <pre className="mt-4 overflow-x-auto rounded-lg border border-surface-700/50 bg-surface-950/80 p-4 text-sm"><code>{`git clone https://github.com/samiahmed7777/dashcaddy.git
+        <pre className="mt-4 overflow-x-auto rounded-lg border border-surface-700/50 bg-surface-950/80 p-4 text-sm"><code>{`curl -fsSL https://get.dashcaddy.net | bash
 cd dashcaddy`}</code></pre>
 
         <h3>Step 2: Make the launcher executable</h3>
@@ -287,7 +287,7 @@ networks:
           instead of using <code>start.sh</code>:
         </p>
         <ol>
-          <li>Clone the repository: <code>git clone https://github.com/samiahmed7777/dashcaddy.git</code></li>
+          <li>Run the installer: <code>curl -fsSL https://get.dashcaddy.net | bash</code></li>
           <li>Install the API dependencies: <code>cd dashcaddy && npm ci</code></li>
           <li>Prepare Caddy and confirm the Admin API is reachable on port 2019</li>
           <li>Prepare Technitium DNS if you want automatic DNS changes (optional)</li>