[Feature Suggestion] Support for `git range-diff` output

[acuteaangle]

git range-diff is used to produce a diff of different versions of patchsets/commits.
It includes metadata about the commit(s), and a diff of a diff between them.

The following is an example of output, showing the difference in one commit that has been amended to remove trailing whitespace and change a word on one line.

1:  0989ea8fc4ac ! 1:  cd95a0db0afb ci: add github ci intergration to ensure PRs build successfully
    @@ .github/workflows/tests.yaml (new)
     +  - push
     +  - pull_request
     +
    -+env: 
    ++env:
     +  CARGO_TERM_COLOR: always
     +
     +jobs:
    -+  linux:
    ++  test:
     +    name: Build and Test
     +    runs-on: ${{ matrix.os }}
     +    strategy:

Related-to: https://github.com/orgs/community/discussions/46733