Update Documentation

[JacobKnightley]

This pull request includes significant changes to the documentation configuration and structure for the fabric-cicd project. The changes primarily focus on setting up the Read the Docs configuration, organizing the Sphinx documentation, and updating the README file.

Documentation configuration and structure:

• .readthedocs/config/build_local.ps1: Added a PowerShell script to build and serve the Sphinx documentation locally.
• .readthedocs/config/conf.py: Configured Sphinx documentation settings, including project information, extensions, and theme.
• .readthedocs/config/readthedocs.yml: Added Read the Docs configuration file specifying the build environment and Python version.
• .readthedocs/config/requirements.txt: Listed the required packages for building the documentation.

Documentation content updates:

• .readthedocs/docs/index.rst: Created the main index file for the documentation with a table of contents.
• .readthedocs/docs/installation.rst: Added installation instructions for the fabric-cicd package.
• .readthedocs/docs/library_reference/fabric_workspace.rst: Documented the fabric_workspace module.
• .readthedocs/docs/library_reference/index.rst: Created an index for the library reference section.
• .readthedocs/docs/library_reference/publish.rst: Documented the publish module.
• .readthedocs/docs/overview.rst: Included the project overview from the README file.
• .readthedocs/docs/usage.rst: Added usage examples for various functionalities of the fabric-cicd package.

README and support updates:

• README.md: Updated the project overview, added new badges, and revised the content to provide more detailed information about the project, including authentication, contributing, and support sections. [1] [2]
• SUPPORT.md: Removed the support instructions, as they are now included in the README file.

Removed old documentation files:

• docs/Makefile, docs/make.bat, docs/source/conf.py, docs/source/index.rst, docs/source/modules.rst, docs/source/requirements.txt, readthedocs.yml: Removed outdated Sphinx configuration and documentation files. [1] [2] [3] [4] [5] [6] [7]