Add versioning schema: version (int), version_string, version_release_date to all 10 connectors

- version: intero per-connector (parte da 1)
- version_string: semver ereditato (display only)
- version_release_date: ISO 8601 (display only)
- Campi identici in index (connectors.json) e manifest (connector.json)
- Aggiunto connector.json alle files[] di gmail, gcal, email, ssh, tavily
- Aggiornata documentazione in SKALD.md

connectors/firecrawl/connector.json

@@ -1,36 +1,44 @@
 {
   "id": "firecrawl",
   "name": "Firecrawl",
-  "version": "1.0.0",
   "type": "mcp_local",
   "launch_command": "npx -y firecrawl-mcp",
   "transport": "stdio",
-  "requires": ["NODE"],
+  "requires": [
+    "NODE"
+  ],
   "dependencies": [],
-  "env": [{
-    "name": "FIRECRAWL_API_KEY",
-    "label": "Firecrawl API key",
-    "description": "Create one at https://www.firecrawl.dev (dashboard \u2192 API Keys).",
-    "required": true,
-    "secret": true,
-    "example": "fc-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
-  }],
+  "env": [
+    {
+      "name": "FIRECRAWL_API_KEY",
+      "label": "Firecrawl API key",
+      "description": "Create one at https://www.firecrawl.dev (dashboard \u2192 API Keys).",
+      "required": true,
+      "secret": true,
+      "example": "fc-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+    }
+  ],
   "setup_instructions": [
     "Ensure Node.js is installed.",
     "Get an API key from https://www.firecrawl.dev/app/api-keys.",
     "No pip install needed \u2014 Firecrawl MCP runs via npx."
   ],
-  "docs": [{
-    "lang": "en",
-    "description": "Web scraping, crawling, search, deep research, and autonomous browsing \u2014 extract content from any website via Firecrawl. Scrape single URLs into clean Markdown, map site structures, crawl entire domains with scheduling, search the web, extract structured data with LLM-powered extraction, and run autonomous research agents. Includes monitoring for crawl changes.",
-    "llm_short_description": "Scrape, crawl, search, research and extract web data via Firecrawl. 26 tools. Requires API key + Node.js."
-  }],
+  "docs": [
+    {
+      "lang": "en",
+      "description": "Web scraping, crawling, search, deep research, and autonomous browsing \u2014 extract content from any website via Firecrawl. Scrape single URLs into clean Markdown, map site structures, crawl entire domains with scheduling, search the web, extract structured data with LLM-powered extraction, and run autonomous research agents. Includes monitoring for crawl changes.",
+      "llm_short_description": "Scrape, crawl, search, research and extract web data via Firecrawl. 26 tools. Requires API key + Node.js."
+    }
+  ],
   "auth": {
     "type": "api_key"
   },
   "mcp_config": {
     "command": "npx",
-    "args": ["-y", "firecrawl-mcp"],
+    "args": [
+      "-y",
+      "firecrawl-mcp"
+    ],
     "env": {
       "FIRECRAWL_API_KEY": "{SECRET:FIRECRAWL_API_KEY}"
     }
@@ -43,5 +51,16 @@
   "icon_small": "icon_sm.png",
   "icon_large": "icon_lg.png",
   "scope": "global",
-  "tags": ["scraping", "crawling", "search", "mcp", "local", "browser", "research"]
+  "tags": [
+    "scraping",
+    "crawling",
+    "search",
+    "mcp",
+    "local",
+    "browser",
+    "research"
+  ],
+  "version": 1,
+  "version_string": "1.0.0",
+  "version_release_date": "2026-07-19"
 }