Add "with-axum" feature to allow compilation when other dependencies … #185

Job	Run time
Rustfmt	10s
Code Coverage	2m 9s
Tests (ubuntu-latest)	2m 12s
Clippy	3m 17s
Tests (windows-latest)	4m 8s
Build Examples (3d_charts)	36s
Tests (macos-latest)	1m 53s
Build Wasm Examples (wasm-yew-minimal)	47s
Build Examples (basic_charts)	35s
Build Examples (custom_controls)	34s
Build Examples (financial_charts)	35s
Build Examples (images)	46s
Build Examples (kaleido)	1m 16s
Build Examples (maps)	31s
Build Examples (ndarray)	35s
Build Examples (scientific_charts)	32s
Build Examples (shapes)	33s
Build Examples (subplots)	34s
	21m 43s

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