refactor: REUSE tool setup in UI5 CLI repository

[d3xter666]

JIRA: CPOUI5FOUNDATION-1150

• REUSE runs for every package, so that it's sure that each package compliance is correctly set and meets the criteria.
• REUSE for the whole monorepo, so a report can be generated. Root level files are checked at this point

[coveralls]

coverage: 94.871%. remained the same
when pulling 32e5e02 on refactor-reuse
into ce96601 on main.

[coveralls]

coverage: 94.871%. remained the same
when pulling 32e5e02 on refactor-reuse
into ce96601 on main.

[coveralls]

coverage: 94.871%. remained the same
when pulling 32e5e02 on refactor-reuse
into ce96601 on main.

[coveralls]

coverage: 94.871%. remained the same
when pulling 32e5e02 on refactor-reuse
into ce96601 on main.

[coveralls]

coverage: 94.871%. remained the same
when pulling 32e5e02 on refactor-reuse
into ce96601 on main.

[coveralls]

coverage: 94.885% (+0.01%) from 94.871%
when pulling 840abb8 on refactor-reuse
into ce96601 on main.