Temporarily expose access to local ProfileManager through web5.techPreview.profileManager

[mistermoe]

enables the ability to import/export profiles that will change once future changes land

[codecov]

Codecov Report

Merging #155 (3f5d2c2) into main (2854581) will decrease coverage by 0.04%.
The diff coverage is 58.33%.

@@            Coverage Diff             @@
##             main     #155      +/-   ##
==========================================
- Coverage   82.28%   82.25%   -0.04%     
==========================================
  Files          68       68              
  Lines        6814     6824      +10     
  Branches      566      566              
==========================================
+ Hits         5607     5613       +6     
- Misses       1205     1209       +4     
  Partials        2        2              

Components	Coverage Δ
common	100.00% <ø> (ø)
credentials	0.00% <ø> (ø)
crypto	95.24% <ø> (ø)
dids	50.20% <ø> (ø)
web5	81.38% <58.33%> (-0.17%)	⬇️
web5-agent	0.00% <ø> (ø)
web5-proxy-agent	0.00% <ø> (ø)
web5-user-agent	79.60% <ø> (ø)

[frankhinek]

Fixed the title since the proposal is to expose the ProfileManager instance and not the user agent.

This approach is not ideal but best we can do until refactored agent approach is ready for PR. Getting close.

[frankhinek]

Addressed in PR #168