Allow semver ranges

[dappnodedev]

This PR refactors the DappGetFetcher class to improve the handling of dependencies and their version ranges. The main improvements include:

1. Separation of Concerns:

   • The processDependencies method was introduced to handle two main responsibilities:
     • Filtering out dependencies that are already satisfied by installed packages.
     • Parsing and converting semver ranges to appropriate APM-compatible versions.

2. Improved Optional Dependencies Handling:

   • A new mergeOptionalDependencies method was introduced to inject optional dependencies into the main dependencies object only if the corresponding packages are installed.

3. Enhanced Semver Range Handling:

   • The parseSemverRangeToApmVersion method was created to convert semver ranges like ^x.x.x, ~x.x.x, >x.x.x, and >=x.x.x to appropriate APM-compatible versions or the latest version (*) if applicable.
   • Added checks to ensure that only simple version ranges are supported, throwing errors for complex or combined ranges.

4. Code Readability and Maintainability:

   • The code was refactored to be more modular and easier to understand, with clear method responsibilities and added inline documentation.
   • Methods were renamed and reorganized for clarity, following best practices.