New version v2.0.0

[MohitSutharOfficial]

This pull request updates the version number across the codebase and documentation from "1.0.0" to "2.0.0". The change is applied consistently to configuration files, documentation, code, test cases, and installation scripts to reflect the new release version.

Version update across the project:

• Updated all references of version "1.0.0" to "2.0.0" in user-facing documentation, including README.md, WINDOWS_INSTALLATION.md, and docs/plugins.md to ensure users see the correct version in examples and instructions. [1] [2] [3] [4]
• Changed default and example configuration files (config/example.yaml, test configs, and generated configs in installation scripts) to use version: "2.0.0". [1] [2] [3] [4] [5] [6]
• Updated the version field in the main CLI configuration initialization (cmd/allora/init.go) and in the plugin and troubleshooting modules to "2.0.0". [1] [2] [3] [4] [5] [6]
• Modified test assertions and expected outputs to check for "2.0.0" instead of "1.0.0" to keep tests in sync with the new version.# Pull Request Template