Add SQLite Database

[codecov[bot]]

Codecov Report

Merging #26 (56b7f30) into main (72154ea) will decrease coverage by 5.76%. The diff coverage is 62.06%.

:exclamation: Current head 56b7f30 differs from pull request most recent head b4c59d0. Consider uploading reports for the commit b4c59d0 to get more accurate results

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
- Coverage   92.06%   86.30%   -5.77%     
==========================================
  Files           8       10       +2     
  Lines         870      986     +116     
==========================================
+ Hits          801      851      +50     
- Misses         69      135      +66     

Impacted Files	Coverage Δ
src/cli.rs	85.00% <ø> (-2.50%)	:arrow_down:
src/storage.rs	100.00% <ø> (ø)
src/database/mod.rs	28.07% <28.07%> (ø)
src/main.rs	13.04% <42.85%> (ø)
src/handlers/frontend.rs	96.80% <50.00%> (ø)
src/package_index.rs	92.76% <86.66%> (-0.63%)	:arrow_down:
src/handlers/registry.rs	79.47% <100.00%> (+0.70%)	:arrow_up:
src/test_helpers.rs	100.00% <100.00%> (ø)

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