initial commit — SIP B2BUA + WebRTC bridge with Rust codec engine

Full-featured SIP router with multi-provider trunking, browser softphone
via WebRTC, real-time Opus/G.722/PCM transcoding in Rust, RNNoise ML
noise suppression, Kokoro neural TTS announcements, and a Lit-based
web dashboard with live call monitoring and REST API.

.smartconfig.json

@@ -0,0 +1,12 @@
+{
+  "@git.zone/tsbundle": {
+    "bundles": [
+      {
+        "from": "./ts_web/index.ts",
+        "to": "./dist_ts_web/bundle.js",
+        "bundler": "esbuild",
+        "production": true
+      }
+    ]
+  }
+}