Set up Vitepress deployment (#7)

.vitepress/config.mts

@@ -0,0 +1,52 @@
+import { defineConfig } from "vitepress";
+import { withMermaid } from "vitepress-plugin-mermaid";
+
+export default withMermaid(
+  defineConfig({
+    title: "MCP Tasks Extension",
+    description: "Documentation for the MCP Tasks extension",
+
+    head: [["link", { rel: "icon", href: "/mcp.png" }]],
+
+    themeConfig: {
+      outline: [2, 3],
+
+      nav: [
+        { text: "SEPs", link: "/seps/2663-tasks-extension" },
+        { text: "Specification", link: "/specification/draft/tasks" },
+      ],
+
+      sidebar: {
+        "specification/": [
+          {
+            text: "Specification",
+            items: [{ text: "Draft", link: "/specification/draft/tasks" }],
+          },
+        ],
+        "seps/": [
+          {
+            text: "SEPs",
+            items: [
+              { text: "SEP-1686: Tasks", link: "/seps/1686-tasks" },
+              {
+                text: "SEP-2663: Tasks Extension",
+                link: "/seps/2663-tasks-extension",
+              },
+            ],
+          },
+        ],
+      },
+
+      socialLinks: [
+        {
+          icon: "github",
+          link: "https://github.com/modelcontextprotocol/ext-tasks",
+        },
+      ],
+
+      search: {
+        provider: "local",
+      },
+    },
+  }),
+);