feat(seeding): add initial wallet seeding

[Phil91]

Description

Add initial seeding for the operator wallet
Enables dynamic seeding of bpn (dim.bpn) and did document location address (dim.didDocumentLocationAddress) of the operator

Why

To create the wallet for the operator

Issue

#108

Checklist

• I have performed a self-review of my own code
• I have successfully tested my changes locally
• I have added tests that prove my changes work
• I have checked that new and existing tests pass locally with my changes
• I have commented my code, particularly in hard-to-understand areas
• I have added copyright and license headers, footers (for .md files) or files (for images)

[Phil91]

closes #100

[evegufy]

successfully tested