minor updates and bug fixes - last stable release before new GUI

What's Changed

• Update installation.md by @MMathisLab in #1961
• Adding a recipe for ModelZoo by @neslihanedes in #1962
• napari gui docs by @MMathisLab in #1963
• new page, new look by @MMathisLab in #1965
• Update README.md by @MMathisLab in #1964
• Update the Default frame extraction algorithm. by @JacobBumgarner in #1960
• MegaDetector recipe doc by @Kadzon in #1967
• Update standardDeepLabCut_UserGuide.md by @juliencarponcy in #1969
• Unpin scikit-image by @jeylau in #1971
• add recipe for clustering in napari by @sabrinabenas in #1968
• added recipe about fliplr for bats by @biol-jsh in #1973
• fliplr augmentation for single animal by @biol-jsh in #1945
• Active learning recipe by @sfmig in #1972
• Fix deprecated np.asscalar by @jeylau in #1982
• Fix weight path checks for mobilenets and efficientnets by @jeylau in #1983
• Update README.md by @MMathisLab in #1999
• DLC table by @Timokleia in #2000
• v2.2.3 by @MMathisLab in #2003

New Contributors

• @JacobBumgarner made their first contribution in #1960
• @Kadzon made their first contribution in #1967
• @juliencarponcy made their first contribution in #1969
• @sabrinabenas made their first contribution in #1968
• @biol-jsh made their first contribution in #1973
• @Timokleia made their first contribution in #2000

Full Changelog: v2.2.2...v2.2.3