Rust

More flexibility on numerical/string doc id and quantization #95

Job	Run time
Verify code formatting	10s
Lint with Clippy	21s
Check for warnings	20s
Check intra-doc links	22s
Test on ubuntu-latest and stable	28s
Test on ubuntu-latest and nightly	32s
Test on ubuntu-latest and beta	31s
Test on windows-latest and nightly	1m 13s
Run code coverage	16s
Miri test	1m 26s
Test on windows-latest and beta	1m 11s
Test on windows-latest and stable	1m 7s
	7m 57s

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