1. Git
2. Latest Swift/xCode
3. Fork of the repository
4. Prepare PlantUML: 4. Install JDK 4. Install Homebrew: - /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 5. Install GraphViz: - brew install libtool - brew link libtool - brew install graphviz - brew link --overwrite graphviz 6. Go to Roadmap Project/Script/ 7. Run java -jar plantuml.jar -testdot to check if installed correctly.

2. Go to Roadmap Project/Script
3. Open Content.yml, add topics or links to materials
4. Run main.swift
5. Commit and push all generated files and changes
6. Submit a pull request

Note. I've used Sublime text for editing YAML.

Use Roadmap Project/Roadmap.xcodeproj to run and debug script.