refactor(clafrica): decouplage into separate components

[pythonbrad]

Issue

• Extension via scripting #67
• Separate the clafrica and the clafrica-lib #12

Advice

This pull request implies a rebase of the clafrica application and modify the architecture of the clafrica application

Change

• The processor component now handles keyboard events
• The translator component generates candidates for a given segment

[coveralls]

Pull Request Test Coverage Report for Build 5917120703

• 205 of 208 (98.56%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.2%) to 99.182%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
clafrica/src/api.rs	11	12	91.67%
clafrica/src/config.rs	66	68	97.06%

Totals
Change from base Build 5916945830:	-0.2%
Covered Lines:	606
Relevant Lines:	611

---

💛 - Coveralls