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

[Aman1905]

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

[refeed]

That looks good for iteration 0