feat: Add boot subcommands to read boot entries

[iTrooz]

No description provided.

[codecov-commenter]

Codecov Report

Merging #57 (f60c73a) into master (ff3b34a) will decrease coverage by 4.63%.
Report is 1 commits behind head on master.
The diff coverage is 0.00%.

❗ Current head f60c73a differs from pull request most recent head 7b3b4eb. Consider uploading reports for the commit 7b3b4eb to get more accurate results

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@@            Coverage Diff             @@
##           master      #57      +/-   ##
==========================================
- Coverage   43.83%   39.20%   -4.63%     
==========================================
  Files          20       25       +5     
  Lines         924      880      -44     
==========================================
- Hits          405      345      -60     
- Misses        519      535      +16     

Files Changed	Coverage Δ
efiboot/src/cli/boot/get_entries.rs	0.00% <0.00%> (ø)
efiboot/src/cli/boot/get_order.rs	0.00% <0.00%> (ø)
efiboot/src/main.rs	11.11% <0.00%> (-1.39%)	⬇️
efivar/src/boot/boot_entries_reader.rs	0.00% <0.00%> (ø)
efivar/src/boot/boot_entry_parser.rs	0.00% <0.00%> (ø)
efivar/src/boot/boot_order_reader.rs	0.00% <0.00%> (ø)
efivar/src/boot/boot_var_reader.rs	0.00% <0.00%> (ø)
efivar/src/boot/parse/device_path.rs	0.00% <0.00%> (ø)
efivar/src/boot/parse/device_path_list.rs	0.00% <0.00%> (ø)
efivar/src/error.rs	0.00% <ø> (ø)
... and 2 more

... and 3 files with indirect coverage changes

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