Feat/validators monitoring

[ad2ien]

This PR adds a validators monitoring features.

An actor will poll a cosmos node and send messages to a discord channel when its status changed :

• when status changes (bonded to or from unbonded / bonding)
• when a validator is jailed or get out of jail

[codecov-commenter]

Codecov Report

Merging #84 (7713e27) into main (5a6cc4b) will increase coverage by 17.90%.
The diff coverage is 63.24%.

@@            Coverage Diff             @@
##            main      #84       +/-   ##
==========================================
+ Coverage   1.54%   19.45%   +17.90%     
==========================================
  Files         32       39        +7     
  Lines        905     1275      +370     
==========================================
+ Hits          14      248      +234     
- Misses       891     1027      +136     

Impacted Files	Coverage Δ
src/cli/commands/start.rs	0.90% <0.00%> (-0.07%)	⬇️
src/cli/config.rs	0.00% <0.00%> (ø)
...rc/cosmos/client/handlers/get_validators_status.rs	0.00% <0.00%> (ø)
src/cosmos/client/mod.rs	0.00% <0.00%> (ø)
src/cosmos/validators/actor.rs	0.00% <0.00%> (ø)
src/cosmos/validators/discord_message.rs	0.00% <0.00%> (ø)
src/cosmos/validators/handlers/get_new_state.rs	0.00% <0.00%> (ø)
src/cosmos/validators/handlers/update_state.rs	0.00% <0.00%> (ø)
src/cosmos/validators/discord_msg_util.rs	99.31% <99.31%> (ø)
src/cosmos/validators/mod.rs	100.00% <100.00%> (ø)

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[ccamel]

@amimart up