Docs: adding Torch-MIGraphX installation instructions

[shivadbhavsar]

Motivation

Add torch-migraphx info to docs to go along with released wheels and docker images

Technical Details

Changelog Category

• • [ ] Added: New functionality.
• • [ ] Changed: Changes to existing functionality.
• • [ ] Removed: Functionality or support that has been removed. (Compared to a previous release)
• • [ ] Optimized: Component performance that has been optimized or improved.
• • [ ] Resolved Issues: Known issues from a previous version that have been resolved.
• • [ ] Not Applicable: This PR is not to be included in the changelog.

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #4422   +/-   ##
========================================
  Coverage    92.17%   92.17%           
========================================
  Files          560      560           
  Lines        26614    26630   +16     
========================================
+ Hits         24530    24546   +16     
  Misses        2084     2084           

see 2 files with indirect coverage changes

:rocket: New features to boost your workflow:

• :snowflake: Test Analytics: Detect flaky tests, report on failures, and find test suite problems.