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_lg.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 96 96">
+  <circle cx="48" cy="48" r="44" fill="#FF9800" opacity=".08"/>
+  <circle cx="48" cy="48" r="34" fill="#FF9800" opacity=".15"/>
+  <circle cx="48" cy="48" r="24" fill="#FF9800" opacity=".25"/>
+  <circle cx="48" cy="48" r="14" fill="#FF9800" opacity=".4"/>
+  <circle cx="48" cy="48" r="7" fill="#FF9800"/>
+</svg>