Backport Windows support to 1.x branch

[rishabh6788]

Coming from opensearch-project/opensearch-plugins#181, backport Windows support to 1.x branch.

• Passing CI for 1.x branch on Windows
• Documentation

If you are already have an issue tracking backport Windows CI to 1.x branch, please link here.

[kkhatua]

This is low priority at the moment, with 3.x being the possible release for Windows support.