feat: add initial Slidev presentation and demo components

- Created Slidev presentation structure with index.md and contents.md.
- Implemented footer and menu components for navigation.
- Added Markdown preview component with syntax highlighting.
- Developed HTML template for consistent page structure.
- Introduced button component with variant support.
- Added Vue counter component for interactive demos.
- Configured content collections for documentation.
- Created multiple markdown documents for demo purposes.
- Established global and theme styles for consistent UI.
- Set up TypeScript configuration for better development experience.

services/.env

@@ -0,0 +1,11 @@
+# NOCODB_TOKEN='ggmZjn1jHTs14bwRCJNcVOIj4oCBXCkroKb1nSwp'
+# NOCODB_URL='https://nocodb.kevisual.cn'
+# NOCODB_BASEID=p9fndhkvs0tik4m
+
+NOCODB_TOKEN=te2kvpPwgaXyCrEtAa8beBC3llZyatqYJC7Hqsvt
+NOCODB_URL=https://nocodb.xiongxiao.me
+NOCODB_BASEID=pboaftz5dp8s4h7
+
+# NOCODB_TOKEN=te2kvpPwgaXyCrEtAa8beBC3llZyatqYJC7Hqsvt
+# NOCODB_URL=http://localhost:8080
+# NOCODB_BASEID=pboaftz5dp8s4h7