feat: implement "seqvars ingest" command (#199)

[holtgrewe]

No description provided.

[codecov]

Codecov Report

Attention: 45 lines in your changes are missing coverage. Please review.

Comparison is base (a188c70) 57.96% compared to head (70a2b28) 60.09%.

❗ Current head 70a2b28 differs from pull request most recent head 983871e. Consider uploading reports for the commit 983871e to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
+ Coverage   57.96%   60.09%   +2.12%     
==========================================
  Files          24       26       +2     
  Lines        2767     3042     +275     
==========================================
+ Hits         1604     1828     +224     
- Misses       1163     1214      +51     

Files	Coverage Δ
src/common.rs	89.32% <66.66%> (-3.58%)	⬇️
src/main.rs	0.00% <0.00%> (ø)
src/seqvars/ingest/mod.rs	80.00% <80.00%> (ø)
src/seqvars/ingest/header.rs	85.32% <85.32%> (ø)

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