Improve the docs #91

Job	Run time
Docs - stable toolchain (recent)	42s
Prepare	4s
Test - 1.63.0 toolchain (minimal)	2m 32s
Integration tests - stable toolchain (28_0)	51s
Test - 1.63.0 toolchain (recent)	2m 29s
Integration tests - stable toolchain (27_1)	45s
Test - stable toolchain (minimal)	36s
Verify - stable toolchain	12s
Integration tests - stable toolchain (27_0)	45s
Test - stable toolchain (recent)	47s
Integration tests - stable toolchain (26_2)	44s
Integration tests - stable toolchain (26_1)	41s
Integration tests - stable toolchain (26_0)	50s
Integration tests - stable toolchain (25_2)	46s
Integration tests - stable toolchain (24_2)	42s
Integration tests - stable toolchain (23_2)	40s
Integration tests - stable toolchain (22_1)	51s
Integration tests - stable toolchain (0_21_2)	42s
Integration tests - stable toolchain (0_20_2)	46s
Integration tests - stable toolchain (0_19_1)	59s
Integration tests - stable toolchain (0_18_1)	1m 30s
Integration tests - stable toolchain (0_17_1)	1m 15s
Docs - nightly toolchain (recent)	45s
Test - nightly toolchain (minimal)	47s
Lint - nightly toolchain (recent)	37s
Format - nightly toolchain	12s
Test - nightly toolchain (recent)	52s
	23m 22s

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