refactor: move presexch to component/models, VDR to component/vdr.

[codecov[bot]]

Codecov Report

Merging #3590 (d7da96c) into main (c98960d) will decrease coverage by 0.28%. The diff coverage is 58.46%.

@@            Coverage Diff             @@
##             main    #3590      +/-   ##
==========================================
- Coverage   87.03%   86.75%   -0.28%     
==========================================
  Files         353      355       +2     
  Lines       48650    48680      +30     
==========================================
- Hits        42341    42231     -110     
- Misses       4767     4886     +119     
- Partials     1542     1563      +21     

Impacted Files	Coverage Δ
component/models/presexch/api.go	43.39% <ø> (ø)
component/models/presexch/definition.go	84.53% <ø> (ø)
component/vdr/httpbinding/resolver_default.go	100.00% <ø> (ø)
component/vdr/httpbinding/vdr.go	87.23% <ø> (ø)
component/vdr/key/vdr.go	100.00% <ø> (ø)
component/vdr/peer/did.go	68.65% <ø> (ø)
component/vdr/peer/store.go	77.17% <ø> (ø)
component/vdr/web/did.go	76.00% <ø> (ø)
pkg/doc/presexch/opts.go	0.00% <0.00%> (ø)
component/vdr/peer/creator.go	70.40% <37.50%> (ø)
... and 10 more

[Moopli]

Split the lint check out, with component linting pulled out into its own github check - timeouts were too tight.