Rust

More flexibility on numerical/string doc id and quantization #116

Job	Run time
Lint with Clippy	27s
Test on ubuntu-latest and stable	28s
Test on ubuntu-latest and nightly	30s
Test on ubuntu-latest and beta	31s
Test on windows-latest and stable	1m 24s
Check for warnings	23s
Test on windows-latest and nightly	1m 12s
Test on windows-latest and beta	1m 10s
Miri test	1m 38s
Verify code formatting	10s
Check intra-doc links	24s
	8m 17s

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