Add banner kit + social posts + short/long swipes + Branded Voice CTA to /tools

- 7-size banner kit (1200x630, 1080x1080, 1080x1920, 300x250, 728x90,
  468x60, 125x125) rendered on-brand, exact dimensions, served from /banners
- Promo Tools page: 5 copy-paste social posts (X/Facebook), short + standard
  + long email swipes, banner grid (download / copy-URL), invite-link builder
- Branded Voice CTA (mybrandedvoice.com) for writing promos in your own voice
- Sync chatbot: chat.js canned answer + server.js AI system prompt updated

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

public/chat.js

@@ -52,8 +52,8 @@
      a:()=>`All four training videos are on the <a href="/training">Training page</a>: (1) How the team build works, (2) Create your MetaMask wallet, (3) Funding your wallet, (4) Buying the Premium position. Watch them in order.`},
     {k:['seed phrase','secret recovery','recovery phrase','private key','12 words','passphrase'],
      a:()=>`<strong>Never share your Secret Recovery Phrase or private keys with anyone</strong> — not this site, not a sponsor, not "support". Anyone asking for it is trying to steal your funds. MetaMask will never ask for it either, except when you restore a wallet yourself.`},
-    {k:['promote','promo','promo tools','tools','swipe','swipes','email swipe','banners','marketing','share this','invite people','video clips','how do i share'],
-     a:()=>`Grab share-ready promo tools at <a href="/tools">rmcircle.team/tools</a>: the promo <strong>videos</strong> (tap Copy link to share), <strong>email &amp; message swipes</strong> you can personalize, and a builder for your <strong>personal invite link</strong>. Banner graphics can be generated on request. Keep it honest — point people to the videos and the <a href="/contract">contract review</a>, never promise income.`},
+    {k:['promote','promo','promo tools','tools','swipe','swipes','email swipe','banners','banner','graphics','marketing','share this','invite people','video clips','how do i share','social post','facebook post','twitter','my voice','branded voice'],
+     a:()=>`Grab share-ready promo tools at <a href="/tools">rmcircle.team/tools</a>: promo <strong>videos</strong> (tap Copy link to share), copy-paste <strong>social posts</strong> for X &amp; Facebook, <strong>email &amp; message swipes</strong> (short and long), a downloadable <strong>banner kit</strong> in every standard size, and a builder for your <strong>personal invite link</strong>. Want it all in your own words? Learn to train an AI on your writing at <a href="https://mybrandedvoice.com" target="_blank" rel="noopener">mybrandedvoice.com</a>. Keep it honest — point people to the videos and the <a href="/contract">contract review</a>, never promise income.`},
     {k:['telegram','group','chat','human','support','contact','talk','someone','admin','help me'],
      a:()=>`For live help from the team, join the Telegram group: ${tgLink()}. Tell them where you're stuck and someone will walk you through it.`},
     {k:['after join','next','what happens','confirmed','joined','i bought','i am in'],