Allow reading files into any `FromJSON` #211

Job	Run time
Build Haskell (8.10.7, ubuntu-latest, 3.10.1.0)	2m 48s
Build Haskell (8.10.7, macos-latest, 3.10.1.0)	6m 47s
Build Haskell (8.10.7, windows-latest, 3.10.1.0)	4m 33s
Build Haskell (9.2.7, ubuntu-latest, 3.10.1.0)	2m 36s
Build Haskell (9.2.7, macos-latest, 3.10.1.0)	3m 42s
Build Haskell (9.2.7, windows-latest, 3.10.1.0)	4m 10s
Build Haskell (9.6.3, ubuntu-latest, 3.10.1.0)	3m 32s
Build Haskell (9.6.3, macos-latest, 3.10.1.0)	4m 2s
Build Haskell (9.6.3, windows-latest, 3.10.1.0)	4m 30s
Build Haskell (9.8.1, ubuntu-latest, 3.10.1.0)	1m 13s
Build Haskell (9.8.1, macos-latest, 3.10.1.0)	1m 3s
Build Haskell (9.8.1, windows-latest, 3.10.1.0)	3m 58s
check	6s
release	0s
publish	0s
	43m 0s

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