add Vec version of imencode imdecode, add haveImageReader haveImageWr… #155

Job	Run time
ios-size-comparison	3m 13s
ios-size-comparison	3m 13s
linux-size-comparison	2m 50s
linux-size-comparison	2m 50s
android-size-comparison	8m 10s
android-size-comparison	8m 10s
macos-size-comparison	2m 24s
macos-size-comparison	5m 59s
macos-arm-size-comparison	4m 59s
macos-arm-size-comparison	4m 59s
windows-size-comparison	6m 44s
windows-size-comparison	6m 44s
Generate Combined Size Reports	0s
Generate Combined Size Reports	21s
	1h 0m 36s

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