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/connector.json

@@ -0,0 +1,28 @@
+{
+  "id": "weather",
+  "name": "Weather (Open-Meteo)",
+  "version": "1.0.0",
+  "type": "mcp_local",
+  "launch_command": "python3 weather_mcp_server.py",
+  "transport": "stdio",
+  "dependencies": [
+    "httpx>=0.27.0"
+  ],
+  "docs": [{
+    "lang": "en",
+    "description": "Global weather, forecast, and air quality via Open-Meteo — free, no API key required. Get current conditions (temperature, humidity, wind, UV, visibility), multi-day forecasts (min/max temps, rain probability, sunrise/sunset), and air quality (European & US AQI, PM2.5, PM10, NO\u2082, O\u2083, CO, SO\u2082, NH\u2083) for any city worldwide.",
+    "llm_short_description": "Weather & air quality MCP: current conditions, 16-day forecast, AQI, pollutants. Free, no API key."
+  }],
+  "auth": {
+    "type": "none"
+  },
+  "setup_instructions": [
+    "Install dependencies: pip install -r requirements.txt",
+    "No configuration needed — Open-Meteo is a free public API with no API key."
+  ],
+  "homepage": "https://open-meteo.com",
+  "icon_small": "icon_sm.svg",
+  "icon_large": "icon_lg.svg",
+  "scope": "global",
+  "tags": ["weather", "mcp", "local", "free", "forecast", "air-quality"]
+}