docs: add llms.txt file (#651)

Generating a `/llmstxt.txt` to provide LLM-friendly content. For more
information, checkout https://llmstxt.org/.

.hugo/hugo.toml

@@ -28,6 +28,7 @@ enableRobotsTXT = true
     path = "github.com/martignoni/hugo-notice"
 
 [params]
+  description = "MCP Toolbox for Databases is an open source MCP server for databases. It enables you to develop tools easier, faster, and more securely by handling the complexities such as connection pooling, authentication, and more."
   copyright = "Google LLC"
   github_repo = "https://github.com/googleapis/genai-toolbox"
   github_project_repo = "https://github.com/googleapis/genai-toolbox"
@@ -48,3 +49,12 @@ enableRobotsTXT = true
 
 [markup.goldmark.renderer]
   unsafe= true 
+
+[outputFormats]
+  [outputFormats.TXT]
+    mediaType = "text/plain"
+    baseName = "llms"
+    isPlainText = true
+
+[outputs]
+  home = ["HTML", "TXT"]

.hugo/layouts/llms.txt

@@ -0,0 +1,8 @@
+# {{ .Site.Title }}
+
+> {{ .Site.Params.description }}
+
+## Docs
+{{ range .Site.Sections }}
+### {{ .Title }}
+{{ range .Pages }}- [{{ .Title }}]({{ .Permalink }}): {{ .Description }}{{ range .Pages }}  - [{{ .Title }}]({{ .Permalink }}): {{ .Description }}{{end }}{{ end }}{{ end }}

docs/en/_index.md

@@ -12,4 +12,4 @@ description: >
     <link rel="canonical" href="getting-started/introduction/"/>
     <meta http-equiv="refresh" content="0;url=getting-started/introduction"/>
   </head>
-</html>
+</html>

docs/en/concepts/telemetry/index.md

@@ -2,7 +2,8 @@
 title: "Telemetry"
 type: docs
 weight: 2
-description: An overview of telemetry and observability in Toolbox. 
+description: >
+  An overview of telemetry and observability in Toolbox. 
 ---
 
 ## About

docs/en/getting-started/configure.md

@@ -2,7 +2,8 @@
 title: "Configuration"
 type: docs
 weight: 4
-description: How to configure Toolbox's tools.yaml file.
+description: >
+  How to configure Toolbox's tools.yaml file.
 ---
 
 The primary way to configure Toolbox is through the `tools.yaml` file. If you

docs/en/getting-started/introduction/_index.md

@@ -2,7 +2,8 @@
 title: "Introduction"
 type: docs
 weight: 1
-description: An introduction to MCP Toolbox for Databases.
+description: >
+  An introduction to MCP Toolbox for Databases.
 ---
 
 MCP Toolbox for Databases is an open source MCP server for databases. It enables