add Readme

Author: gptkong

README.md

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+# Docker Documentation Build
+
+This repository contains Dockerfiles and related resources for building and running documentation websites for various projects. Each subdirectory corresponds to a specific project and contains the necessary Dockerfile and other resources.
+
+## Directory Structure
+
+- `react-cn-docs/`
+  - Contains the Dockerfile for building the React Chinese documentation site.
+- `react-flow/`
+  - Contains the Dockerfile for building the React Flow documentation site.
+- `react-hook-form/`
+  - Contains the Dockerfile for building the React Hook Form documentation site.
+- `shadcn-ui-docs/`
+  - Contains the Dockerfile for building the ShadCN UI documentation site.
+- `tailwindcss-docs/`
+  - Contains the Dockerfile for building the TailwindCSS documentation site.
+- `tanstack/`
+  - Contains the Dockerfile for building the TanStack documentation site.
+
+## Usage
+
+Each directory contains a `Dockerfile` that can be used to build and run the corresponding documentation site. Below are the general steps to use the Dockerfiles:
+
+1. Navigate to the directory of the project you want to build.
+2. Build the Docker image:
+   ```powershell
+   docker build -t <image-name> .
+   ```
+3. Run the Docker container:
+   ```powershell
+   docker run -p <host-port>:<container-port> <image-name>
+   ```
+
+Replace `<image-name>`, `<host-port>`, and `<container-port>` with appropriate values.
+
+## Example
+
+To build and run the TailwindCSS documentation site:
+
+```powershell
+cd tailwindcss-docs
+
+docker build -t tailwindcss-docs .
+
+docker run -p 3000:3000 tailwindcss-docs
+```
+
+## Notes
+
+- Ensure Docker is installed and running on your system.
+- Some projects may require additional dependencies or configurations. Refer to the respective `Dockerfile` for details.
+
+## License
+
+This repository is licensed under the MIT License. See the LICENSE file for more details.