PMTiles cache, refactor file configs, modularize #2584

Job	Run time
Build aarch64-apple-darwin	9m 20s
Build and test docker images	8m 36s
Build debian-x86_64	6m 9s
Lint and Unit test	9m 40s
Build x86_64-apple-darwin	9m 40s
Build x86_64-pc-windows-msvc	7m 10s
Build x86_64-unknown-linux-gnu	3m 47s
Test postgis:11-3.0-alpine sslmode=disable	3m 40s
Test on macOS-latest	11m 28s
Test postgis:14-3.3-alpine sslmode=disable	3m 43s
Test on windows-latest	1m 10s
Test postgis:15-3.3 sslmode=require	4m 13s
Test on ubuntu-latest	43s
Package	54s
CI Finished	1s
	1h 20m 14s

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