Feature/wal 246 ION DID Provider

[nklomp]

Implement ION DID Provider. Seeking initial feedback before rebasing to Veramo and opening a PR there.

Changes:

• Remove old ION provider code
• Do not depend on ion-tools
• Do not depend on external POW SDK. An improved version is part of the code. We might extract that into a seperate lib at one point
• Update and recovery keys, including key rotations
• Full implementation of all Identifier methods

Known issues:

• POW works on Node. Not tested yet on React-native. Out of scope for this implementation
• Adding/Updating services/keys does not get propagated. Needs more investigation. MS gives back a 200 response for them, but it never ends up in the DID Document. Will look at that later.

[codecov-commenter]

Codecov Report

Merging #53 (db658c8) into develop (040014a) will decrease coverage by 0.59%.
The diff coverage is 61.13%.

@@             Coverage Diff             @@
##           develop      #53      +/-   ##
===========================================
- Coverage    62.73%   62.13%   -0.60%     
===========================================
  Files           23       55      +32     
  Lines          864     1833     +969     
  Branches       173      339     +166     
===========================================
+ Hits           542     1139     +597     
- Misses         322      694     +372     

Impacted Files	Coverage Δ
...ages/bls-did-provider-key/src/BlsKeyDidProvider.ts	0.00% <0.00%> (ø)
...ages/bls-did-provider-key/src/BlsKeyDidResolver.ts	0.00% <0.00%> (ø)
.../connection-manager/src/agent/ConnectionManager.ts	0.00% <0.00%> (ø)
...ction-manager/src/store/AbstractConnectionStore.ts	0.00% <0.00%> (ø)
...on/src/migrations/internal-migrations-ormconfig.ts	0.00% <0.00%> (ø)
...kages/data-store/src/connection/ConnectionStore.ts	0.00% <0.00%> (ø)
...uth-siop-op-authenticator/src/session/OpSession.ts	5.30% <0.00%> (-1.01%)	⬇️
...er/src/migrations/internal-migrations-ormconfig.ts	0.00% <0.00%> (ø)
packages/ms-request-api/src/agent/MsRequestApi.ts	0.00% <0.00%> (ø)
...ges/vc-handler-ld-local/src/ld-default-contexts.ts	100.00% <ø> (ø)
... and 31 more

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[BtencateSphereon]

LGTM