Makefile: Add new commands for development purpose

[andygrunwald]

What is this PR doing?

Adding a few new commands useful during development phase:

docker-build-dev               Builds the local development docker image
docker-compose-install         Runs composer install inside docker
docker-rector-dry              Runs rector inside docker (dry run)
docker-rector                  Runs rector inside docker
docker-unit-tests              Runs the unit tests inside docker
docker-up                      Starts the local docker development setup
help                           Outputs the help

Which issue(s) this PR fixes:

None

Checklist

• CHANGELOG.md entry - Not needed
• Documentation update - Not needed

[sonarcloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[M4LuZ]

Documentation update - Not needed

Well..we may want to document the additional functionality for development?

[andygrunwald]

@M4LuZ True. Sorry. I created #913