Error handling - exception filters

Endpoint to fetch jobs discovery

Endpoint to assign a job to user and to retrieve assigned jobs

Middleware to pass the auth token

fix: unit tests

Oracles-discovery

# Statistics exchange oracle

* Alignment of naming convention and endpoint structure

* Alignment of naming convention and endpoint structure

* ExchangeOracleApi->ExchangeOracle

* externalApiGateway-> gateway

* Coverage improvement

CI/CD workflow

# Conflicts:
#	yarn.lock

Human mainrepo update

* Fixes after check

* Removes unnecessary comment

* Fixes SDK limitation

* Removes unnecessary interceptor, changes Body to Query in request for oracle discovery

* Adds statistics related DTO interfaces with api mapping

* Changes in interface naming convention of received data

* Review fixes

* Review fixes

* Review fixes

* Review fixes

* Changes logic of calling exchange oracle: url is obtained based on the address provided in the enpoint. Adds CORS

* Adds test coverage

* Adds test coverage

* Adds kv store to the modules that use it

* minor fixes

* minor fixes

* Alignment of the swagger and interface used in the project

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Removes todo

* Review fixes

* Review fixes

* Review fixes

* Review fixes

* File `global-common.interface.ts` has been renamed to `global-common.ts`.

* Renamed and moved EnvironmentVariableMissingError class.

* Renamed and moved Pageable classes to utils directory.

* Remove unused import in exchange-oracle.gateway.spec.ts

* Remove console.log from fetchAssignedJobs method.

* Update dependencies in package.json.

* Update terminology in README.md

* Remove unused Headers import from job-assignment.controller.ts

* Removed OnModuleInit import from kv-store-gateway.service.ts

* Corrected the data types for REDIS_PORT and REDIS_HOST in .env.example file.

* Remove redundant volume configuration in Docker-compose

* Add RPC_URL environment variable to docker-compose

* Replace hardcoded URL_KEY in KvStoreGateway with imported constant.

* fix: Update KVStoreClient import and test in KvStoreGateway

* Add Reputation Oracle address to .env and refactor Oracle Discovery.

* Add token authentication for Oracle statistics.

* Remove manual environment variable check.

* Refactor address to use escrowAddress in job assignment service.

* Ensure environment variables validation takes place before module loading.

* Revert "Add token authentication for Oracle statistics."

* Update terminology from 'Interfaces' to 'Model' in README

* Refactor PageableClasses to PageableDto and the file renamed from pageable-classes.ts to pageable.model.ts

* Update KV store gateway test to use actual SDK.

* Added REPUTATION_ORACLE_ADDRESS in app configuration and docker compose file.

* Integrate and use EscrowUtils for job assignment processing.

* Added chainId parameter to `getExchangeOracleAddressByEscrowAddress` method.

* Remove redundant code KV-store gateway test

* Update EscrowUtilsGateway tests.

* Add mock ConfigService to oracle-discovery service test.

* Revert "Add mock ConfigService to oracle-discovery service test."

This reverts commit a2134ad.

* Update oracle-discovery.service.spec.ts tests.

* The KVStoreKeys.url constant is now directly called.

* Changed Redis data volume path and updated gitignore.

* Refactor oracle discovery and statistics modules.

* Add CHAIN_IDS_ENABLED to .env.example

Fix typo in oracle-discovery.service file name and references