docs: migrate UI docs (#13245)

* docs: create a new UI docs project (#13233)

* docs: create a new UI docs project

* fix installation errors

* docs: migrate UI docs content to new project (#13241)

* Fix content

* added examples for some components

* finish adding examples

* lint fix

* fix build errors

* delete empty files

* path fixes + refactor

* fix build error

www/apps/ui/specs/components/DropdownMenu/DropdownMenu.Content.json

@@ -0,0 +1,31 @@
+{
+  "description": "This component is based on the [Radix UI Dropdown Menu Content](https://www.radix-ui.com/primitives/docs/components/dropdown-menu#content) primitive.",
+  "methods": [],
+  "displayName": "DropdownMenu.Content",
+  "props": {
+    "sideOffset": {
+      "defaultValue": {
+        "value": "8",
+        "computed": false
+      },
+      "description": "",
+      "required": false
+    },
+    "collisionPadding": {
+      "defaultValue": {
+        "value": "8",
+        "computed": false
+      },
+      "description": "",
+      "required": false
+    },
+    "align": {
+      "defaultValue": {
+        "value": "\"center\"",
+        "computed": false
+      },
+      "description": "",
+      "required": false
+    }
+  }
+}