khronosschoty/palemoon-dev: Pale Moon dev's appear to no longer provide git access to the source code -- so I'll provide my own.

khronosschoty 17d73c84dc added Pale Moon 29.4.4		3 lat temu
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moz.build	17d73c84dc added Pale Moon 29.4.4	3 lat temu
nsIDOMCanvasRenderingContext2D.idl	17d73c84dc added Pale Moon 29.4.4	3 lat temu
nsIDOMWebGLRenderingContext.idl	17d73c84dc added Pale Moon 29.4.4	3 lat temu