feat: add translations pipeline

.github/workflows/translation.yml

@@ -0,0 +1,53 @@
+name: Check Translation
+
+on:
+  pull_request:
+    branches:
+      - gh-pages
+    paths:
+      - 'en/**'
+      - 'es/**'
+      - 'fr/**'
+      - 'it/**'
+      - 'ja/**'
+      - 'ko/**'
+      - 'pt-br/**'
+      - 'ru/**'
+      - 'sk/**'
+      - 'th/**'
+      - 'tr/**'
+      - 'uk/**'
+      - 'uz/**'
+      - 'zh-cn/**'
+      - 'zh-tw/**'
+
+jobs:
+  check-translation:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Check modified files and add labels
+        uses: actions/github-script@v5
+        with:
+          script: |
+            const languages = ['en', 'es', 'fr', 'it', 'ja', 'ko', 'pt-br', 'ru', 'sk', 'th', 'tr', 'uk', 'uz', 'zh-cn', 'zh-tw'];
+            const { data: pullRequest } = await github.rest.pulls.get({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number
+            });
+            const { data: files } = await github.rest.pulls.listFiles({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number
+            });
+            const modifiedLanguages = new Set(files.map(file => file.filename.split('/')[0]));
+            const labelsToAdd = languages.filter(lang => !modifiedLanguages.has(lang)).map(lang => `requires-translation-${lang}`);
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: pullRequest.number,
+              labels: labelsToAdd
+            });