feat: friendly tool names per MCP title field or manifest

- Aggiunto campo 'title' a tools/list in tutti gli script MCP locali
  (Gmail, Gcal, Drive, Email, SSH, Weather, Wikipedia, WhatsApp)
- Aggiunto tools[]/display_name nel manifest per connector remoti/package
  esterni (Firecrawl, HTTP Fetch, Exa, Tavily, SerpAPI Flights)
- Documentata convenzione e resolution order in SKALD.md
- Aggiornata manifest_guide.md per tools[] in connectors.json
- Bumped version e sha256 per tutti i 13 connector

connectors/serpapi-flights/connector.json

@@ -1,9 +1,9 @@
 {
   "id": "serpapi-flights",
   "name": "SerpAPI Flights",
-  "version": 1,
-  "version_string": "1.0.0",
-  "version_release_date": "2026-07-19",
+  "version": 2,
+  "version_string": "1.0.1",
+  "version_release_date": "2026-07-21",
   "type": "mcp_remote",
   "scope": "global",
   "tags": [
@@ -43,5 +43,11 @@
   },
   "homepage": "https://serpapi.com/google-flights-api",
   "icon_small": "icon_sm.svg",
-  "icon_large": "icon_lg.svg"
-}
+  "icon_large": "icon_lg.svg",
+  "tools": [
+    {
+      "name": "serpapi_search_flights",
+      "display_name": "Search Flights"
+    }
+  ]
+}