Add setter for Mapbox::domain #187

Job	Run time
Rustfmt	12s
Clippy	3m 22s
Code Coverage	1m 44s
Tests (ubuntu-latest)	1m 46s
Tests (windows-latest)	4m 29s
Build Examples (3d_charts)	35s
Tests (macos-latest)	1m 56s
Build Wasm Examples (wasm-yew-minimal)	45s
Build Examples (basic_charts)	34s
Build Examples (custom_controls)	34s
Build Examples (financial_charts)	32s
Build Examples (images)	38s
Build Examples (kaleido)	1m 15s
Build Examples (maps)	31s
Build Examples (ndarray)	34s
Build Examples (scientific_charts)	32s
Build Examples (shapes)	35s
Build Examples (subplots)	33s
	21m 7s

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