v0.0.18

## What's Changed
* chore(changelog): open 0.0.18 by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/441
* fix(data): creating a table holds only the mandatory built-ins, matching patch by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/458
* docs(ui): correct ui-primitives reference to match component APIs by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/460
* test(e2e): repair stale locators and isolate suite state by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/461
* fix(site-import): make Cancel abort the static import run by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/459
* fix(import): preserve background and border resets by @tommy230 in https://github.com/CoreBunch/Instatic/pull/389
* fix(media): import, upload, and serve AVIF images by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/467
* fix(plugins): reject mismatched filter results by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/469
* fix(publisher): preserve frontend asset attributes by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/470
* fix(forms): emit content event for public submissions by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/471
* fix(editor): let site panels undock independently by @DavidBabinec in https://github.com/CoreBunch/Instatic/pull/474

## New Contributors
* @tommy230 made their first contribution in https://github.com/CoreBunch/Instatic/pull/389

**Full Changelog**: https://github.com/CoreBunch/Instatic/compare/v0.0.17...v0.0.18