feat: initial Hugo static site for lora.vegas

Minimal single-page site with custom loravega theme.
No external dependencies, no JavaScript, pure local CSS.

Sections: Mesh Channels, Discord Groups, Signal Groups, Meetup, Resources.
Includes LongFast settings reference and getting-started guide.

Closes #1

themes/loravega/layouts/index.html

@@ -0,0 +1,6 @@
+{{ define "main" }}
+  <h1>📡 LoRa Vegas</h1>
+  <p class="tagline">Las Vegas Meshtastic &amp; LoRa community</p>
+
+  {{ .Content }}
+{{ end }}