Add Weather (Open-Meteo) and Wikipedia connectors

- weather/ — Python MCP server (copiato da skald/scripts), no auth, free API
- wikipedia/ — nuovo Python MCP server, Wikipedia API pubblica, no auth
- Entrambi: mcp_local, scope global, auth none, dipendenza httpx
- connectors.json: +2 connector (totale 7), auth:none aggiunto anche a SSH

connectors/weather/icon_sm.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48">
+  <circle cx="24" cy="24" r="22" fill="#FF9800" opacity=".15"/>
+  <circle cx="24" cy="24" r="16" fill="#FF9800" opacity=".25"/>
+  <circle cx="24" cy="24" r="10" fill="#FF9800" opacity=".4"/>
+  <circle cx="24" cy="24" r="5" fill="#FF9800"/>
+</svg>