docs(.github): add configuration files

[lauthieb]

Changes description

The goal is to align our GitHub different configuration files between vitamin-(web|android|ios) stacks.

Context

This PR is there to enhance the contributor experience and facilitate onboarding for developers.

Checklist

• [x] Make sure you are requesting to pull a topic/feature/bugfix branch. Don't request your main!
• [x] Check the commit's or even all commits' message styles matches our requested structure.
• [x] Check your code additions will fail neither code linting checks.
• [x] Check PR name, it must follow the https://www.conventionalcommits.org pattern.

Does this introduce a breaking change?

• No

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information