feat: update install to cargo install clifcode (now live on crates.io)

- README: primary install is now `cargo install clifcode`
- Website: hero CTA and ClifCode section updated, removed coming soon from crates
- npm install still marked as coming soon

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: DLhugly

README.md

@@ -69,12 +69,12 @@ No Electron. No telemetry. No subscription. Open source.
 ### ClifCode — Terminal Agent
 
 ```bash
-cargo install --git https://github.com/DLhugly/Clif-Code.git --path clif-code-tui
+cargo install clifcode
 ```
 
-Run `clifcode` in any project directory.
+Run `clifcode` in any project directory. That's it.
 
-> `npm i -g clifcode` — coming soon  |  `cargo install clifcode` — coming soon
+> `npm i -g clifcode` — coming soon
 
 <details>
 <summary>Other install methods</summary>

clif-pad-ide/www/index.html

@@ -365,7 +365,7 @@ <h1>Code editor.<br>AI agent.<br><span class="thin">Both native. Both open sourc
           Download ClifPad
         </a>
         <a href="#clifcode" class="dl-btn secondary">
-          <span class="mono">cargo install clifcode</span> <span style="font-size:12px; color:var(--muted); font-weight:400; margin-left:4px;">coming soon</span>
+          <span class="mono">cargo install clifcode</span>
         </a>
       </div>
 
@@ -524,11 +524,10 @@ <h2>ClifCode</h2>
       </div>
 
       <div class="clifcode-install">
-        <span style="color: var(--muted);">$</span> <span style="color: var(--tui-green);">cargo install --git https://github.com/DLhugly/Clif-Code.git --path clif-code-tui</span>
+        <span style="color: var(--muted);">$</span> <span style="color: var(--tui-green);">cargo install clifcode</span>
       </div>
       <p style="font-size: 13px; color: var(--muted); margin-bottom: 24px;">
-        <code style="background: rgba(255,255,255,0.08); padding: 2px 8px; border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: 12px;">npm i -g clifcode</code> — coming soon &nbsp;&middot;&nbsp;
-        <code style="background: rgba(255,255,255,0.08); padding: 2px 8px; border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: 12px;">cargo install clifcode</code> — coming soon
+        <code style="background: rgba(255,255,255,0.08); padding: 2px 8px; border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: 12px;">npm i -g clifcode</code> — coming soon
       </p>
 
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