Merge branch 'wvffle/vui' into 'main'

src/components/pagination/Pagination.vue

src/components/pagination/style.scss

src/components/pill/Pill.vue

src/components/pill/style.scss

src/components/popover/Popover.vue

src/components/popover/style.scss

src/components/tabs/Tab.vue

src/components/tabs/Tabs.vue

src/components/tabs/style.scss

src/components/textarea/Textarea.vue

src/components/textarea/style.scss

src/components/toc/Toc.vue

src/components/toc/style.scss

src/components/toggle/Toggle.vue

src/components/toggle/style.scss

src/components/utils/Markdown.vue

src/components/utils/SanitizedHtml.vue

src/composables/useColor.ts

src/composables/usePastels.ts

src/injection-keys.ts