add separate workflow files for publishing sub-packages #434

Job	Run time
Rustfmt	14s
Tests (ubuntu-latest)	1m 47s
Build Wasm Examples (wasm-yew-minimal)	57s
Tests (windows-latest)	4m 8s
Build Examples (3d_charts)	23s
Clippy	2m 52s
Tests (macos-latest)	1m 50s
Build Examples (basic_charts)	30s
Code Coverage	1m 49s
Build Examples (custom_controls)	22s
semver	29s
Build Examples (financial_charts)	30s
Build Examples (images)	42s
Build Examples (kaleido)	1m 9s
Build Examples (maps)	23s
Build Examples (ndarray)	25s
Build Examples (scientific_charts)	23s
Build Examples (shapes)	26s
Build Examples (subplots)	26s
	19m 45s

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