move docs site from packages/docs to docs/site

Co-Authored-By: Claude Opus 4.6 <[e-mail]>

package-lock.json

···
     "": {
       "name": "hatk",
       "workspaces": [
-        "packages/*"
+        "packages/*",
+        "docs/site"
       ],
       "devDependencies": {
         "@types/node": "^25.3.0",
···
       },
       "engines": {
         "node": ">=25.0.0"
+      }
+    },
+    "docs/site": {
+      "name": "@hatk/docs",
+      "dependencies": {
+        "@astrojs/starlight": "^0.37.7",
+        "astro": "^5.6.1",
+        "sharp": "^0.34.2"
       }
     },
     "node_modules/@astrojs/compiler": {
···
       }
     },
     "node_modules/@hatk/docs": {
-      "resolved": "packages/docs",
+      "resolved": "docs/site",
       "link": true
     },
     "node_modules/@hatk/oauth-client": {
···
     },
     "packages/docs": {
       "name": "@hatk/docs",
+      "extraneous": true,
       "dependencies": {
         "@astrojs/starlight": "^0.37.7",
         "astro": "^5.6.1",

package.json

···
   "name": "hatk",
   "private": true,
   "workspaces": [
-    "packages/*"
+    "packages/*",
+    "docs/site"
   ],
   "type": "module",
   "scripts": {