fix(scanner): re-write the scanner and the search engine, upgrade tantivy to 0.19.2

[tsirysndr]

#150

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@d6e029f). Click here to learn what that means.
Patch coverage: 47.19% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #155   +/-   ##
=========================================
  Coverage          ?   41.11%           
=========================================
  Files             ?      107           
  Lines             ?    15055           
  Branches          ?        0           
=========================================
  Hits              ?     6190           
  Misses            ?     8865           
  Partials          ?        0           

Impacted Files	Coverage Δ
graphql/src/schema/playback.rs	72.77% <ø> (ø)
server/src/library.rs	66.66% <0.00%> (ø)
storage/src/tests.rs	100.00% <ø> (ø)
graphql/src/schema/library.rs	39.14% <4.91%> (ø)
scanner/src/lib.rs	87.75% <83.33%> (ø)
scanner/src/tests.rs	90.90% <84.00%> (ø)
webui/src/tests.rs	96.66% <86.20%> (ø)
storage/src/lib.rs	100.00% <100.00%> (ø)
storage/src/searcher/album.rs	81.81% <100.00%> (ø)
storage/src/searcher/artist.rs	81.25% <100.00%> (ø)
... and 2 more

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