Onboarding (#132)

* Initial onboarding

* Update OnboardingModal.vue

* Add finish

* Animation

* Automatic opening

* Move onboarding icon to outside of main appbar

* Run lint

* run fmt

* mostly finish

* Finish onboarding

* fix onboarding bug + linux build

* fix build again

* Add back window shadows

---------

Co-authored-by: Geometrically <18202329+Geometrically@users.noreply.github.com>
Co-authored-by: Jai A <jaiagr+gpg@pm.me>
Co-authored-by: Jai A <jai@modrinth.com>

theseus_gui/src/components/ui/IncompatibilityWarningModal.vue

@@ -57,7 +57,7 @@
 <script setup>
 import { Button, Modal, XIcon, DownloadIcon, DropdownSelect, formatCategory } from 'omorphia'
 import { add_project_from_version as installMod } from '@/helpers/profile'
-import { defineExpose, ref } from 'vue'
+import { ref } from 'vue'
 import { handleError, useTheming } from '@/store/state.js'
 import mixpanel from 'mixpanel-browser'