Add adb install instructions to site and readme

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

site/index.html

@@ -758,13 +758,19 @@ bun run src/kernel.ts --workflow morning.json</pre>
     <div class="stepper">
       <div class="stepper-step">
         <span class="stepper-num">1</span>
+        <h3>install adb</h3>
+        <p>adb (android debug bridge) is how droidclaw talks to your phone - every tap, type, and swipe goes through it.</p>
+<pre>brew install android-platform-tools</pre>
+      </div>
+      <div class="stepper-step">
+        <span class="stepper-num">2</span>
         <h3>clone and install</h3>
 <pre>git clone https://github.com/unitedbyai/droidclaw.git
 cd droidclaw && bun install
 cp .env.example .env</pre>
       </div>
       <div class="stepper-step">
-        <span class="stepper-num">2</span>
+        <span class="stepper-num">3</span>
         <h3>configure an llm provider</h3>
         <p>edit <code>.env</code> - fastest way to start is groq (free tier):</p>
 <pre>LLM_PROVIDER=groq
@@ -780,14 +786,14 @@ GROQ_API_KEY=gsk_your_key_here</pre>
         </table>
       </div>
       <div class="stepper-step">
-        <span class="stepper-num">3</span>
+        <span class="stepper-num">4</span>
         <h3>connect your phone</h3>
         <p>enable usb debugging in developer options, plug in via usb.</p>
 <pre>adb devices   # should show your device
 bun run src/kernel.ts</pre>
       </div>
       <div class="stepper-step">
-        <span class="stepper-num">4</span>
+        <span class="stepper-num">5</span>
         <h3>tune (optional)</h3>
         <table>
           <thead><tr><th>key</th><th>default</th><th>what</th></tr></thead>