feat: adding async I/O, espec. for SV caller guessing

[holtgrewe]

No description provided.

[codecov]

Codecov Report

Attention: 39 lines in your changes are missing coverage. Please review.

Comparison is base (dcc4152) 73.39% compared to head (38a1886) 73.89%.

❗ Current head 38a1886 differs from pull request most recent head 532382c. Consider uploading reports for the commit 532382c to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #230      +/-   ##
==========================================
+ Coverage   73.39%   73.89%   +0.49%     
==========================================
  Files          18       21       +3     
  Lines        4342     4470     +128     
==========================================
+ Hits         3187     3303     +116     
- Misses       1155     1167      +12     

Files	Coverage Δ
src/annotate/seqvars/csq.rs	68.99% <100.00%> (-0.07%)	⬇️
src/common/io/std.rs	100.00% <100.00%> (ø)
src/common/mod.rs	39.39% <ø> (ø)
src/annotate/strucvars/mod.rs	86.87% <94.64%> (+0.16%)	⬆️
src/common/io/tokio.rs	83.92% <83.92%> (ø)
src/common/noodles.rs	28.57% <28.57%> (ø)
src/main.rs	0.00% <0.00%> (ø)

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[holtgrewe]

It looks like the following must first be resolved. Otherwise, async files will not be written properly.

zaeleus/noodles#210