[Feature] Additional padding modes

[sidtuladhar]

Proposed changes

Hi team, this PR adds symmetric and reflect padding modes. It addresses issue #2155

Checklist

Put an x in the boxes that apply.

• I have read the CONTRIBUTING document
• I have run pre-commit run --all-files to format my code / installed pre-commit prior to committing changes
• I have added tests that prove my fix is effective or that my feature works
• I have updated the necessary documentation (if needed)

[sidtuladhar]

Hi, could I get a review on this, thanks! @awni

[sidtuladhar]

Hey there @awni @zcbenz, bumping this, would appreciate if I could get some feedback on this PR, thanks!