[DOCS] - Documentation on the "Providers" and "Condition Types"

Documentation Issue

Description

I want to add the description of these pages in the tirith documentation, the structure follows:

1. Providers

• terraform_plan provider
• json provider
• Kubernetes provider

2. Condition Types

• Equals
• LessThan

Contributing (Can be taken from CONTRIBUTING.md) ◦ Developer install ◦ Make a PR ◦ Make a issues ◦ Solving issues

Also, @refeed I would like you to add more to the list if I am missing out on something