feat: resend routes to peer that rebooted

[michielbdejong]

No description provided.

[michielbdejong]

Need to update https://github.com/interledgerjs/ilp-connector/blob/v17.0.2/schemas/RoutingUpdate.json and https://github.com/interledger/rfcs/blob/master/0021-plugin-rpc-api/0021-plugin-rpc-api.md#send-request-routing accordingly.

[momerath42]

You'll have to change the RouteUpdate schema, but yeah, this should work

[sentientwaffle]

LGTM once the schema is updated and the tests pass.

[codecov-io]

Codecov Report

Merging #388 into master will decrease coverage by 0.05%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #388      +/-   ##
==========================================
- Coverage   83.48%   83.43%   -0.06%     
==========================================
  Files          33       33              
  Lines        1193     1195       +2     
  Branches      192      193       +1     
==========================================
+ Hits          996      997       +1     
- Misses        197      198       +1

Impacted Files	Coverage Δ
src/lib/message-router.js	56.75% <50%> (-0.19%)	⬇️
src/lib/route-broadcaster.js	74.82% <75%> (ø)	⬆️

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