feat(integrations): add 8 missing mainstream MCP server templates (#59)

* feat(integrations): add filesystem, fetch, memory, puppeteer, sequential-thinking, git, google-maps, time

* chore(integrations): fix taplo formatting for filesystem and puppeteer

integrations/fetch.toml

@@ -0,0 +1,21 @@
+id = "fetch"
+name = "Web Fetch"
+description = "Fetch any web URL and receive its content as clean Markdown — ideal for reading docs, articles, and APIs"
+category = "devtools"
+icon = "🌐"
+tags = ["web", "fetch", "scraping", "markdown", "http"]
+
+[transport]
+type = "stdio"
+command = "npx"
+args = ["-y", "@modelcontextprotocol/server-fetch@latest"]
+
+[health_check]
+interval_secs = 60
+unhealthy_threshold = 3
+
+setup_instructions = """
+No API key required. Fetches any publicly accessible URL and returns the content as Markdown.
+
+For JavaScript-rendered pages (SPAs), use the Puppeteer integration instead.
+"""