Strip leading "Bearer " when saving the BCP auth token

DevTools' "Copy value" on the authorization header includes the "Bearer "
prefix, so accept and normalize it instead of requiring users to trim it.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MRS5Lvcig4TNpPyviUooGa

sites/scouting/index.html

@@ -72,7 +72,7 @@
             <li>Open your browser's developer tools (<kbd class="kbd kbd-sm">F12</kbd>, or right-click → Inspect) and switch to the <span class="font-semibold">Network</span> tab.</li>
             <li>Back on BCP, open any event or your profile so the page makes a new request — refreshing the page works.</li>
             <li>In the Network tab, click any request to <span class="font-mono">newprod-api.bestcoastpairings.com</span>.</li>
-            <li>Find the <span class="font-mono">authorization</span> request header. Copy everything after <span class="font-mono">Bearer </span> — that's your token.</li>
+            <li>Find the <span class="font-mono">authorization</span> request header and copy its value (pasting the whole thing, including the leading "Bearer ", is fine).</li>
             <li>Paste it into the field above and click <span class="font-semibold">Save</span>.</li>
           </ol>
           <p class="text-xs opacity-50 mt-3">