FEAT: component de-duplication

[jkowalleck]

based on the outcome of #304
meaning: this issue is blocked by #304.

---

• have a CI switch to enable the extra processing
• have implementation according to the outcome of DOCS: describe how component de-duplication works  #304
• have tests according to the outcome of DOCS: describe how component de-duplication works  #304

[rkg-mm]

@jkowalleck do you still plan to add this cli switch? any plan when?

[jkowalleck]

@jkowalleck do you still plan to add this cli switch? any plan when?

as soon as #304 is solved.