Feature/manual add peer

[melowe]

No description provided.

[codecov-io]

Codecov Report

Merging #479 into master will decrease coverage by 0.06%.
The diff coverage is 98.32%.

@@             Coverage Diff              @@
##             master     #479      +/-   ##
============================================
- Coverage     99.65%   99.58%   -0.07%     
- Complexity     1169     1184      +15     
============================================
  Files           189      191       +2     
  Lines          3766     3881     +115     
  Branches        194      201       +7     
============================================
+ Hits           3753     3865     +112     
- Partials         13       16       +3

Impacted Files	Coverage Δ	Complexity Δ
...com/quorum/tessera/jaxrs/client/ClientFactory.java	100% <ø> (ø)	4 <0> (?)
...om/quorum/tessera/client/RestP2pClientFactory.java	100% <ø> (ø)	3 <0> (ø)	⬇️
...a/api/exception/WebApplicationExceptionMapper.java	100% <100%> (ø)	4 <0> (ø)	⬇️
.../java/com/quorum/tessera/node/PartyInfoPoller.java	100% <100%> (ø)	9 <1> (-1)	⬇️
...sera/api/exception/KeyNotFoundExceptionMapper.java	100% <100%> (ø)	3 <0> (ø)	⬇️
.../java/com/quorum/tessera/config/cli/CliResult.java	100% <100%> (ø)	4 <2> (-1)	⬇️
...om/quorum/tessera/config/util/ConfigFileStore.java	100% <100%> (ø)	2 <2> (?)
...rc/main/java/com/quorum/tessera/config/Config.java	100% <100%> (ø)	12 <2> (+1)	⬆️
...a/api/exception/EntityNotFoundExceptionMapper.java	100% <100%> (ø)	2 <1> (ø)	⬇️
...in/java/com/quorum/tessera/api/ConfigResource.java	100% <100%> (ø)	4 <4> (?)
... and 16 more

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[prd-fox]

Adds groundwork for updatable configuration
Allow a new peer to be added to the configuration, where it can be picked up by services that use them (such as the WhitelistFilter).

[prd-fox]

Approved with the assumption that another change is required to enable the new peer to share its key information (PartyInfo).
As mentioned, this just lays some groundwork.