feat: implemented support for PortablePDB parsing

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[codecov]

Codecov Report

Attention: Patch coverage is 63.81748% with 563 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/metadata/tables/localscope/raw.rs	60.65%	72 Missing ⚠️
src/metadata/streams/tablesheader.rs	2.98%	65 Missing ⚠️
src/metadata/importscope/parser.rs	30.12%	58 Missing ⚠️
src/metadata/tables/document/owned.rs	0.00%	46 Missing ⚠️
src/metadata/tables/document/raw.rs	0.00%	43 Missing ⚠️
src/metadata/tables/customdebuginformation/raw.rs	80.99%	23 Missing ⚠️
src/metadata/customdebuginformation/types.rs	78.43%	22 Missing ⚠️
src/metadata/tables/statemachinemethod/raw.rs	78.00%	22 Missing ⚠️
src/metadata/tables/localconstant/raw.rs	78.12%	21 Missing ⚠️
src/metadata/importscope/types.rs	69.84%	19 Missing ⚠️
... and 15 more

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