Feat/i18n crowdin (#752)

* feat: add crowdin and supported languages

* fix: main branch name

* feat: test crowdin integration

* feat: add crowdin config skeleton

* feat: update crowdin.yml

* fix: remove ro translation

* test: en translation

* test: en translation

* New Crowdin translations by Github Action (#735)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>

* test: en translation

* fix: separate upload/download workflows

* wip

* New Crowdin translations by Github Action (#738)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>

* wip

* wip

* wip

* wip

* wip

* typo

* wip

* wip

* update crowdin config

* update

* chore: support i18n de,es,fr,it,pt,ru,ro,en

* chore: extract i18n strings

* chore: extract booking components strings for i18n

* wip

* extract more strings

* wip

* fallback to getServerSideProps for now

* New Crowdin translations by Github Action (#874)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>

* fix: minor fixes on the datepicker

* fix: add dutch lang

* fix: linting issues

* fix: string

* fix: update GHA

* cleanup trpc

* fix linting

Co-authored-by: Peer Richelsen <peeroke@gmail.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Crowdin Bot <support+bot@crowdin.com>
Co-authored-by: Bailey Pumfleet <pumfleet@hey.com>

.github/workflows/crowdin.yml

@@ -0,0 +1,25 @@
+name: Crowdin Action
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  synchronize-with-crowdin:
+    runs-on: ubuntu-latest
+
+    steps:
+
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: crowdin action
+      uses: crowdin/github-action@1.4.0
+      with:
+        upload_translations: true
+        download_translations: true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        CROWDIN_PROJECT_ID: ${{ secrets.CROWDIN_PROJECT_ID }}
+        CROWDIN_PERSONAL_TOKEN: ${{ secrets.CROWDIN_PERSONAL_TOKEN }}