Standardize emojis across header, favicons, and ecosystem links

Canonical emoji set for consistency:
- 🕸️ rNetwork (was 🌐), ⚖️ rChoices (was 🔀), 📋 rWork (was 💼)
- 🔐 rIdentity (was 🔑), 📖 rPubs (was 📰), 💸 rFunds (was 💰)
- 💰 rWallet (was 💼 in footer), 📬 rInbox (was ✉️)
- 💭 rForum (was 💬, differentiates from rChats)
- 📢 rSocials (was 📱), 🔨 rAuctions (was 🏛️ in footer)
- 🎬 rTube (was 📹 in footer)

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

website/index.html

@@ -561,12 +561,12 @@
 				<a href="https://rfiles.online" class="ecosystem-app">📁 rFiles</a>
 				<a href="https://rnotes.online" class="ecosystem-app">📝 rNotes</a>
 				<a href="https://rtrips.online" class="ecosystem-app">✈ rTrips</a>
-				<a href="https://rfunds.online" class="ecosystem-app">📊 rFunds</a>
+				<a href="https://rfunds.online" class="ecosystem-app">💸 rFunds</a>
 				<a href="https://rnetwork.online" class="ecosystem-app">🕸️ rNetwork</a>
 				<a href="https://rcart.online" class="ecosystem-app">🛒 rCart</a>
 				<a href="https://rtube.online" class="ecosystem-app">🎬 rTube</a>
 				<a href="https://rchats.online" class="ecosystem-app">💬 rChats</a>
-				<a href="https://rforum.online" class="ecosystem-app">💬 rForum</a>
+				<a href="https://rforum.online" class="ecosystem-app">💭 rForum</a>
 				<a href="https://rswag.online" class="ecosystem-app">👕 rSwag</a>
 				<a href="https://rdata.online" class="ecosystem-app">📊 rData</a>
 			</div>