feat: implementing AssemblyMapper (#7)

[codecov[bot]]

Codecov Report

Patch coverage: 47.05% and project coverage change: -0.22 :warning:

Comparison is base (040e2d3) 86.01% compared to head (cd9644e) 85.80%.

:exclamation: Current head cd9644e differs from pull request most recent head 0a21c40. Consider uploading reports for the commit 0a21c40 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #35 +/- ## ========================================== - Coverage 86.01% 85.80% -0.22% ========================================== Files 17 18 +1 Lines 6194 6355 +161 ========================================== + Hits 5328 5453 +125 - Misses 866 902 +36 ``` | [Impacted Files](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth) | Coverage Δ | | |---|---|---| | [src/static\_data/mod.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3N0YXRpY19kYXRhL21vZC5ycw==) | `100.00% <ø> (ø)` | | | [src/mapper/assembly.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hc3NlbWJseS5ycw==) | `44.34% <44.34%> (ø)` | | | [src/mapper/variant.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci92YXJpYW50LnJz) | `86.65% <50.00%> (+3.55%)` | :arrow_up: | | [src/parser/display.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9kaXNwbGF5LnJz) | `83.98% <71.42%> (-0.13%)` | :arrow_down: | | [src/mapper/alignment.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL21hcHBlci9hbGlnbm1lbnQucnM=) | `91.27% <100.00%> (ø)` | | | [src/parser/ds.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9kcy5ycw==) | `64.31% <100.00%> (ø)` | | | [src/parser/impl\_parse.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3BhcnNlci9pbXBsX3BhcnNlLnJz) | `99.68% <0.00%> (-0.32%)` | :arrow_down: | | [src/validator/mod.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL3ZhbGlkYXRvci9tb2QucnM=) | `65.57% <0.00%> (+1.63%)` | :arrow_up: | | [src/data/uta\_sr.rs](https://codecov.io/gh/bihealth/hgvs-rs/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth#diff-c3JjL2RhdGEvdXRhX3NyLnJz) | `53.01% <0.00%> (+2.40%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=bihealth)

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