Update README.md

Author: vanvianen

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+# Stylescape DevContainer
+
+This repository provides a development container configuration for working on the `Stylescape` project. The configuration is optimized for Node.js, TypeScript, SCSS, and Jinja2 templating, providing a comprehensive development environment using Visual Studio Code's Dev Containers.
+
+## DevContainer Configuration
+
+The development container is configured with the following settings:
+
+```json
+{
+    "name": "Stylescape DevContainer",
+    "build": {
+        "dockerfile": "Dockerfile",
+        "context": "."
+    },
+    "image": "mcr.microsoft.com/vscode/devcontainers/javascript-node:0-18",
+    "features": {
+        "ghcr.io/devcontainers/features/node:1": {
+            "version": "18"
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "dbaeumer.vscode-eslint",
+                "esbenp.prettier-vscode",
+                "ms-python.python",
+                "ms-vscode.vscode-typescript-next",
+                "stylelint.vscode-stylelint",
+                "streetsidesoftware.code-spell-checker",
+                "redhat.vscode-yaml",
+                "PKief.material-icon-theme",
+                "syler.sass-indented",
+                "vscode-icons-team.vscode-icons",
+                "jinja.html-formatter",
+                "ritwickdey.LiveServer",
+                "gruntfuggly.todo-tree",
+                "svelte.svelte-vscode",
+                "octref.vetur"
+            ],
+            "settings": {
+                "editor.formatOnSave": true,
+                "terminal.integrated.shell.linux": "/bin/bash",
+                "files.associations": {
+                    "*.jinja": "jinja"
+                }
+            }
+        }
+    },
+    "forwardPorts": [
+        3000
+    ],
+    "postCreateCommand": "npm install && pip3 install -r requirements.txt",
+    "remoteUser": "vscode",
+    "workspaceFolder": "/workspace",
+    "mounts": [
+        "source=${localWorkspaceFolder},target=/workspace,type=bind,consistency=cached"
+    ],
+    "remoteEnv": {
+        "NODE_ENV": "development"
+    },
+    "containerEnv": {
+        "NODE_ENV": "development"
+    }
+}
+```
+
+### Key Components
+
+1. **Base Image**:
+   - **Node.js Dev Container**: The development environment is based on the official Node.js Dev Container image `mcr.microsoft.com/vscode/devcontainers/javascript-node:0-18`, which includes Node.js 18, ensuring consistency across development environments.
+
+2. **VS Code Extensions**:
+   The container is pre-configured with a comprehensive set of Visual Studio Code extensions to enhance your development experience:
+   - **JavaScript/TypeScript**:
+     - `dbaeumer.vscode-eslint`: Linting for JavaScript and TypeScript.
+     - `esbenp.prettier-vscode`: Code formatting with Prettier.
+     - `ms-vscode.vscode-typescript-next`: Enhanced TypeScript support.
+   - **CSS/SCSS**:
+     - `stylelint.vscode-stylelint`: Linting for CSS and SCSS files.
+     - `syler.sass-indented`: Syntax highlighting for SCSS/SASS.
+   - **Templating & Markup**:
+     - `jinja.html-formatter`: Formatting for Jinja2 templates.
+     - `redhat.vscode-yaml`: YAML support for configuration files.
+     - `ritwickdey.LiveServer`: Live reloading for HTML files.
+   - **Utility & Productivity**:
+     - `streetsidesoftware.code-spell-checker`: Spell checking for text files.
+     - `gruntfuggly.todo-tree`: Managing TODO comments effectively.
+     - `PKief.material-icon-theme` and `vscode-icons-team.vscode-icons`: Custom icons for a better file explorer experience.
+   - **Framework-Specific**:
+     - `svelte.svelte-vscode`: Support for Svelte development.
+     - `octref.vetur`: Support for Vue.js development.
+
+3. **Post-Creation Commands**:
+   - Automatically installs Node.js and Python dependencies using `npm install` and `pip3 install -r requirements.txt` after the container is created, ensuring your development environment is ready to go.
+
+4. **Environment Variables**:
+   - The `NODE_ENV` is set to `development` for both the remote and container environments, ensuring your application runs in development mode.
+
+5. **VS Code Custom Settings**:
+   - **Formatting**: Automatically formats your code on save, maintaining code consistency.
+   - **File Associations**: Associates `.jinja` files with Jinja2 syntax highlighting.
+
+### Usage Instructions
+
+1. **Setup**:
+   - Ensure Docker and Visual Studio Code are installed on your machine. Also, install the VS Code Dev Containers extension if not already installed.
+
+2. **Add the DevContainer Configuration**:
+   - Place the `devcontainer.json` file inside a `.devcontainer` directory at the root of your project.
+
+3. **Open in Container**:
+   - Open your project in Visual Studio Code. When prompted to "Reopen in Container", select this option to launch the development container.
+
+4. **Working in the Container**:
+   - Once the container is up, you can work in a fully-featured development environment with all necessary tools and dependencies configured.
+
+### Benefits
+
+- **Consistency**: Develop in a consistent environment that mirrors your production setup.
+- **Pre-configured Tools**: Start coding immediately with all essential tools and extensions pre-configured.
+- **Portability**: Easily share your development environment setup with team members.
+
+### Customization
+
+Feel free to customize the `devcontainer.json` file to better suit your needs. You can add or remove extensions, modify environment variables, or adjust settings as required.
+
+### Troubleshooting
+
+- If you encounter issues with the container setup, ensure Docker is running and that your system meets the requirements for using Dev Containers.
+- Check the logs in the VS Code terminal for any errors during the container build or startup process.
+
+### Conclusion
+
+This DevContainer setup for `Stylescape` provides a robust and efficient development environment, streamlining your workflow and ensuring consistency across different development setups. Enjoy coding in a fully integrated and customized environment!