Speed increase for OSV, GitHub provider work, Documentation Update

[djschleen]

• Provider renamed to github
• Initial mapping to of advisories to bomber vulnerability struct
• Updated documentation
• Major overhaul and performance boost for OSV provider. It's lightning fast now.
• Adds ecosystem warnings if there are ecosystems that are not supported by the chosen provider
• Fixes an issue where versions were not being passed to Providers

[codecov]

Codecov Report

Attention: Patch coverage is 4.65116% with 164 lines in your changes missing coverage. Please review.

Project coverage is 65.81%. Comparing base (f6fbbaf) to head (26f9319).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
providers/osv/osv.go	0.00%	76 Missing ⚠️
providers/gad/gad.go	7.50%	37 Missing ⚠️
providers/snyk/snyk.go	0.00%	17 Missing ⚠️
providers/ossindex/OSSIndex.go	0.00%	16 Missing ⚠️
lib/scanner.go	0.00%	9 Missing and 1 partial ⚠️
cmd/root.go	0.00%	8 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #249       +/-   ##
===========================================
- Coverage   76.67%   65.81%   -10.87%     
===========================================
  Files          27       28        +1     
  Lines        1402     1562      +160     
===========================================
- Hits         1075     1028       -47     
- Misses        295      504      +209     
+ Partials       32       30        -2     

Flag	Coverage Δ
	65.81% <4.65%> (-10.87%)	⬇️

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