feat(dict): implement CDB based user dictionary #209

Job	Run time
Coverage with_rust=true with_hash=true	1m 38s
Coverage with_rust=true with_hash=false	1m 14s
ubuntu-latest, with_rust=true, with_hash=true rust_version=1.70	1m 28s
Coverage with_rust=false with_hash=true	44s
ubuntu-latest, with_rust=true, with_hash=false rust_version=1.70	2m 25s
Coverage with_rust=false with_hash=false	48s
ubuntu-latest, with_rust=false, with_hash=true rust_version=1.70	1m 22s
ubuntu-latest, with_rust=false, with_hash=false rust_version=1.70	48s
windows-latest, with_rust=true, with_hash=true rust_version=1.70	3m 58s
windows-latest, with_rust=true, with_hash=false rust_version=1.70	3m 15s
windows-latest, with_rust=false, with_hash=true rust_version=1.70	1m 45s
windows-latest, with_rust=false, with_hash=false rust_version=1.70	2m 0s
macos-latest, with_rust=true, with_hash=true rust_version=1.70	2m 59s
macos-latest, with_rust=true, with_hash=false rust_version=1.70	2m 22s
macos-latest, with_rust=false, with_hash=true rust_version=1.70	1m 23s
macos-latest, with_rust=false, with_hash=false rust_version=1.70	1m 19s
ubuntu-latest, with_rust=true, with_hash=true rust_version=stable	1m 40s
ubuntu-latest, with_rust=true, with_hash=false rust_version=stable	1m 13s
	32m 21s

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