Implement support for calling different diff tools.#10

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OscarL wants to merge 2 commits intoHaikuArchives:masterfrom

OscarL:external_diff_tool

Commits on Dec 26, 2022

Implement support for calling different diff tools.
OscarL
committed

Commits on May 14, 2023

Added support for mcdiff, and saving/loading of the last used diff tool.
OscarL
committed