feat: add offline access and documentation

- All files and directories previously located in the root, related to documentation, have been moved to the `docs` directory.
- An `.envrc` file was added to automatically activate the virtual environment.
-Added README.md for documentation

.envrc

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+source .venv/bin/activate

README.md

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+# 30 Days Of React
+
+Offline access for the 30 days of React learning challenge.
+![30 Days of React](image.png)
+
+This project provides offline access to the "30 Days of React" learning challenge using MkDocs for documentation serving.
+
+## Requirements
+
+- Python 3.6 or higher
+- [pip](https://pip.pypa.io/en/stable/installation/)
+
+## Getting Started
+
+### 1. Clone the repository
+```sh
+git clone https://github.com/Asabeneh/30-Days-Of-React.git
+cd 30-Days-Of-React
+```
+
+### 2. Set up a virtual environment (recommended)
+```sh
+python -m venv .venv
+source .venv/bin/activate  # On Windows use `.venv\Scripts\activate`
+```
+
+### 3. Install MkDocs
+```sh
+pip install mkdocs mkdocs-material
+```
+
+### 4. Serve the documentation
+```sh
+mkdocs serve
+```
+
+This will start a local server (usually at http://127.0.0.1:8000/) where you can browse the documentation offline.
+
+## Virtual Environment Management
+
+### Option A: Manual Activation (Default)
+If you're using a virtual environment manually, you **must** activate it every time you start a new terminal session:
+
+```sh
+source .venv/bin/activate  # ✅ Required before running mkdocs serve
+mkdocs serve
+```
+
+### Option B: Automatic Virtual Environment Activation (Advanced Users)
+**This section is only for users who want automatic virtual environment activation using direnv.**
+
+If you prefer automatic activation when entering the project directory, you can use [direnv](https://direnv.net/):
+
+#### Setup direnv (one-time installation):
+```sh
+# Ubuntu/Debian
+sudo apt install direnv
+
+# macOS
+brew install direnv
+
+# Add to your shell profile (~/.bashrc, ~/.zshrc, etc.)
+eval "$(direnv hook bash)"  # for bash
+eval "$(direnv hook zsh)"   # for zsh
+```
+
+#### Configure automatic activation for this project:
+```sh
+# In your project directory
+echo "source .venv/bin/activate" > .envrc
+direnv allow
+```
+
+After this setup, your virtual environment will automatically activate when you `cd` into the project directory.
+
+## Additional Notes
+
+- All course content is located in the `docs/` folder
+- Configuration settings can be found in `mkdocs.yml`
+- The virtual environment folder is named `.venv` to follow Python conventions
+
+## Troubleshooting
+
+- If `mkdocs serve` fails, ensure your virtual environment is activated and dependencies are installed
+- On Windows, use backslashes for paths: `.venv\Scripts\activate`
+- If you encounter permission issues with direnv, make sure it's properly integrated with your shell
+
+Happy learning! 🚀