Add delegations to registration service (#294)

* replace vit-kedqr with catalyst-toolbox
* remove catalyst-toolbox from runtime deps
* refactor cardano-cli & voter-registration modules
* create mocks for Cardano mainnet utilities
* update registration service for new flow
* Clean up the code and add local registration with delegation

Author: dkijania

.circleci/config.yml

@@ -183,7 +183,11 @@ commands:
       - run:
           name: install snapshot-trigger-service
           command: |
-            cargo install --path snapshot-trigger-service --locked    
+            cargo install --path snapshot-trigger-service --locked
+      - run:
+          name: install registration-service
+          command: |
+            cargo install --path registration-service --locked
       - run:
           name: install mainnet mocks
           command: |