Several fixes and improvements

[raynaudoe]

This pull request includes significant changes to the codebase, primarily focused on updating dependencies, refactoring the package structure, and enhancing the functionality of the crypto provider components. The most important changes include updating the Makefile to check and install the correct version of golangci-lint, refactoring package paths, and adding new interfaces and methods to the crypto provider components.

Makefile Improvements:

• Updated Makefile to check and install the correct version of golangci-lint if not already installed. [1] [2] [3]

Package Path Refactoring:

• Refactored package paths from crypto-provider to github.com/cosmos/crypto-provider across multiple files for better organization and clarity. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]

Crypto Provider Enhancements:

• Added new methods and interfaces to the CryptoProvider components, including Save, InitializeKeys, and GetPubKey to enhance functionality and support new features. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16]

Documentation Updates:

• Updated documentation to reflect the new package structure and provide guidance on adding new provider CLI commands.

These changes collectively improve the maintainability, functionality, and clarity of the codebase, aligning it with best practices and preparing it for future enhancements.