docs: add chinese readme and docs website (#76)

## Summary by Sourcery

Add a new documentation site package and a Chinese README to improve
project documentation and accessibility.

New Features:
- Introduce a dedicated @dropout/docs React Router application powered
by Fumadocs for hosting the project documentation.

Documentation:
- Add a Chinese README file providing an overview, installation, build
instructions, and contribution guidelines for Chinese-speaking users.
- Set up initial docs content, navigation, and metadata within the new
docs site, including example pages and search endpoint configuration.

1 files changed, 37 insertions, 0 deletions

diff --git a/packages/docs/biome.json b/packages/docs/biome.json
new file mode 100644
index 0000000..a637e58
--- /dev/null
+++ b/packages/docs/biome.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.2.0/schema.json",
+  "vcs": {
+    "enabled": true,
+    "clientKind": "git",
+    "useIgnoreFile": true
+  },
+  "files": {
+    "ignoreUnknown": true,
+    "includes": [
+      "**",
+      "!node_modules",
+      "!.source"
+    ]
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true
+    },
+    "domains": {
+      "react": "recommended"
+    }
+  },
+  "assist": {
+    "actions": {
+      "source": {
+        "organizeImports": "on"
+      }
+    }
+  }
+}