feat(GL) configurable context management API #65

Job	Run time
Compile templates and cache kotlinc output	3m 57s
Linux (x64)	4m 29s
Linux Cross (arm32)	3m 43s
macOS (x64)	11m 38s
Linux Cross (arm64)	3m 42s
Windows (x86)	4m 32s
FreeBSD Cross	4m 32s
Linux Cross (ppc64le)	3m 47s
macOS (arm64)	3m 39s
Windows (x64)	6m 49s
Linux Cross (riscv64)	4m 32s
Windows (arm64)	3m 34s
	58m 54s

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