Use a proper branching strategy and releases

[gmontamat]

Use GitFlow branching strategy

[gmontamat]

• [x] Do something with those dependantbot alerts
• [x] Change default branch to dev?
• [x] Rename and protect main branch
• [x] Use predefined branch names (feature-, hotfix-, release-, main, dev)

[gmontamat]

Followed https://gist.github.com/rsp/057481db4dbd999bb7077f211f53f212#file-github-project-guidelines-md

[gmontamat]

Added PR Lint check instead of enforcing branch names.