pytorch

49be16d5 - .github: Add ec2 information as a step (#63784)

.github: Add ec2 information as a step (#63784) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/63784 Also creates the common.yml.j2 file as a place to store common code amongst the templates Should look like:  Signed-off-by: Eli Uriegas <eliuriegas@fb.com> Test Plan: Imported from OSS Reviewed By: malfet, driazati Differential Revision: D30490682 Pulled By: seemethere fbshipit-source-id: 18028b4acff938ef54cd6e4877561b2d830a11cf