v3.0.0

Major Changes

• Refactored End of the Training to have a proper conclusion, with additional optional topics
• Properly introduce and practice git merge
• Replace diagrams with mermaid.js

What's Changed

• Refactor End of Training by @martialblog in #184
• Add git-merge and slide on merge conflics by @martialblog in #189
• Replace diagrams with mermaid.js by @martialblog in #188
• Fetch updates from global template by @martialblog in #172
• Remove the ask the trainer note by @theFeu in #179
• Add a hint to the credential.helper slide by @martialblog in #182
• Change naming of staging index to be consistent by @martialblog in #180
• Add small bonus to git history lab regarding git log by @martialblog in #183
• Extend gitignore slide by @martialblog in #187
• Update authors by @martialblog in #191
• Move GitLab Merge Requests before GitHub Pull Requests by @martialblog in #193
• Use git push -u origin -all by @htriem in #185
• Fixed some dead links

Full Changelog: v2.6.1...v3.0.0