v1.2.12

• Paper: portion of Maha's Overleaf changes that move things to appendix and introduce if/else structure, without changing wording.
• Submodule: update OpenFLASH to reflect JFM submission changes (jfm-thesis branch with main merged into it)

What's Changed

• Maha's Overleaf edits: non-word choice only by @rebeccamccabe in #254

Full Changelog: v1.2.11...v1.2.12