- feat(vips): added animated watermark support
- feat(vips): aded left-top and right-bottom padding support, using the new URL syntax
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Example:
http://localhost:8000/unsafe/300x0/0x20:100x20/filters:fill(yellow):watermark(raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif,-30,10,0,50,50):watermark(raw.githubusercontent.com/cshum/imagor/master/testdata/dancing-banana.gif,-10,-10,0,50,50)/raw.githubusercontent.com/cshum/imagor/master/testdata/nyan-cat.gif
