fix: cyrillic fonts, dev certs, page head, and ru-text typography (#67)

🤖 PR generated for branch `fix/cyrillic-fonts-dev-certs-and-page-head`.

### Changes Summary
- **Fonts**: Add Cyrillic glyph subsets for Lato, EB Garamond, and Fira
Code.
- **Dev**: Support remote Root CA and encrypted dev CA key in
`.env.dev`.
- **UI & Kits**: Add size variant to `Breadcrumbs` component and enlarge
`PageHead` breadcrumbs with tuned collapse scroll threshold.
- **ESLint**: Add `no-hanging-particles` i18n & markdown typography rule
with auto-fixer.
- **Content & i18n**: Apply `ru-text` editorial and typography polish
(em dashes, number ranges, «ё» restoration, non-breaking spaces) across
`services/www` and `services/docs`.

.github/workflows/ci-next-build-golden-image.yml

@@ -126,7 +126,7 @@ jobs:
             ENDPOINT_FLAG=""
             [ -n "${S3_ENDPOINT}" ] && ENDPOINT_FLAG="--endpoint-url=${S3_ENDPOINT}"
             echo "Cleaning up older images in dev/images/ to free bucket storage..."
-            aws ${ENDPOINT_FLAG} s3 rm "s3://${S3_BUCKET}/dev/images/" --recursive || true
+            aws ${ENDPOINT_FLAG} s3 rm "s3://${S3_BUCKET}/dev/images/" --recursive --exclude "*" --include "com-ermnvldmr-debian-12-k3s-*.qcow2" || true
             aws ${ENDPOINT_FLAG} s3 cp "output-qemu/${IMAGE_NAME}" "s3://${S3_BUCKET}/dev/images/${IMAGE_NAME}"
             echo "Golden image uploaded to s3://${S3_BUCKET}/dev/images/${IMAGE_NAME}"
           else