update readme

Former-commit-id: 5a4434d

README.md

@@ -30,7 +30,7 @@ this is a completely vanilla javascript and html canvas outpainting convenience
 
 - [@jasonmhead](https://github.com/jasonmhead) - [the most minimal launch script](https://github.com/zero01101/openOutpaint/pull/1)
 - [@Kalekki](https://github.com/Kalekki) - [what i was calling "smart crop"](https://github.com/zero01101/openOutpaint/pull/2), [localstorage](https://github.com/zero01101/openOutpaint/pull/5), [right-click erase](https://github.com/zero01101/openOutpaint/pull/7), [delightful floating UI](https://github.com/zero01101/openOutpaint/pull/11), [mask erase fix](https://github.com/zero01101/openOutpaint/pull/17), [checkerboard background and non bonkers canvas borders](https://github.com/zero01101/openOutpaint/pull/24)
-- [@seijihariki](https://github.com/seijihariki) - [realtime slider value updates, gracious code cleanup](https://github.com/zero01101/openOutpaint/pull/14), [blessed undo/redo](https://github.com/zero01101/openOutpaint/pull/21), [even more wildly massive rework of loads of my miserable of JS holy crap](https://github.com/zero01101/openOutpaint/pull/22), [undo/redo keyboard shortcuts and keyboard input support](https://github.com/zero01101/openOutpaint/pull/30)
+- [@seijihariki](https://github.com/seijihariki) - [realtime slider value updates, gracious code cleanup](https://github.com/zero01101/openOutpaint/pull/14), [blessed undo/redo](https://github.com/zero01101/openOutpaint/pull/21), [even more wildly massive rework of loads of my miserable of JS holy crap](https://github.com/zero01101/openOutpaint/pull/22), [undo/redo keyboard shortcuts and keyboard input support](https://github.com/zero01101/openOutpaint/pull/30), [scrumptious photography-shoppe-style history palette](https://github.com/zero01101/openOutpaint/commit/b12fc0d2a02074cb31c0ef35ce56d2bd02244908)
 - [@lifeh2o](https://www.reddit.com/user/lifeh2o/overview) - overmasking concept ~~that is still driving me crazy getting it to work right~~ ([a](https://www.reddit.com/r/StableDiffusion/comments/ywf8np/i_made_a_completely_local_offline_opensource/iwl6s06/),[b](https://www.reddit.com/r/StableDiffusion/comments/ys9lhq/kollai_an_infinite_multiuser_canvas_running_on/ivzygwk/?context=3)) [possible betterness?](https://github.com/zero01101/openOutpaint/commit/8002772ee6aa4b2f5b544af82cb6d545cf81368f)
 
 ## operation