update: quick update md

Author: tanthanhdev

README.md

@@ -82,6 +82,15 @@ node tools/update-frontmatter.js
 node tools/update-frontmatter.js algorithms/sorting-algorithms.md
 ```
 
+#### Generating Table of Contents
+
+The `generate_summary.py` script automatically creates the SUMMARY.md file:
+
+```bash
+# Run the script to generate a new table of contents
+python tools/generate_summary.py
+```
+
 For more information about available tools, see the [Tools README](tools/README.md).
 
 ## 🤝 Contribution

README_vi.md

@@ -83,6 +83,15 @@ node tools/update-frontmatter.js
 node tools/update-frontmatter.js algorithms/sorting-algorithms.md
 ```
 
+#### Tạo mục lục tự động
+
+Script `generate_summary.py` tự động tạo file SUMMARY.md:
+
+```bash
+# Chạy script để tạo mục lục mới
+python tools/generate_summary.py
+```
+
 Để biết thêm thông tin về các công cụ có sẵn, hãy xem [README của Tools](tools/README.md).
 
 ## 🤝 Đóng góp

SUMMARY.md

@@ -5,6 +5,7 @@
 ### Algorithms
 
 - [Graph Traversal Algorithms](docs/algorithms/graph-traversal.md)
+- [Sorting Algorithms](docs/algorithms/sorting-algorithms.md)
 
 ### Databases
 

tools/README.md

@@ -33,7 +33,7 @@ A Node.js script that automatically updates the frontmatter (metadata) in all Ma
 
 ```bash
 # Install dependencies if not already installed
-npm install gray-matter glob
+npm install
 
 # Make the script executable
 chmod +x tools/update-frontmatter.js
@@ -55,6 +55,38 @@ node tools/update-frontmatter.js algorithms/sorting-algorithms.md
 # - /i18n/vi/algorithms/sorting-algorithms.md
 ```
 
+### `generate_summary.py`
+
+A Python script that automatically generates the `SUMMARY.md` file by scanning the `docs/` directory structure.
+
+#### Features
+
+- Creates a well-structured table of contents
+- Extracts titles from Markdown files when available
+- Organizes content by categories based on directory structure
+- Generates clean, formatted links to all documentation files
+
+#### Requirements
+
+- Python 3.6+
+- No external dependencies (uses only standard library)
+
+#### Usage
+
+```bash
+# Make the script executable (first time only)
+chmod +x tools/generate_summary.py
+
+# Run the script to generate SUMMARY.md
+python tools/generate_summary.py
+```
+
+The script will:
+1. Scan all directories in `/docs`
+2. Extract titles from Markdown files or generate them from filenames
+3. Create a hierarchical table of contents
+4. Write the result to `SUMMARY.md` in the project root
+
 #### Automation
 
 This script is configured to run automatically via GitHub Actions when: