Added subplot example with multiple titles (#166) #215

Job	Run time
Code Coverage	2m 26s
Clippy	3m 36s
Build Wasm Examples (wasm-yew-minimal)	53s
Build Examples (3d_charts)	41s
Build Examples (basic_charts)	31s
Rustfmt	11s
semver	2m 13s
Build Examples (custom_controls)	34s
Tests (ubuntu-latest)	2m 15s
Tests (windows-latest)	4m 48s
Build Examples (financial_charts)	38s
Build Examples (images)	50s
Tests (macos-latest)	1m 55s
Build Examples (kaleido)	1m 17s
Build Examples (maps)	25s
Build Examples (ndarray)	26s
Build Examples (scientific_charts)	25s
Build Examples (shapes)	32s
Build Examples (subplots)	26s
	25m 2s

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