Added What 3 words API

[kolawoletech]

Description

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Fixes #(issue number 1) #(issue number 2 if applicable)

How Has This Been Tested?

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Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added necessary inline code documentation
• I have added tests that prove my fix is effective and that this feature works
• New and existing unit tests pass locally with my changes