docs: 5.0 migration guide skeleton (#2210)

Signed-off-by: Attila Mészáros <[email protected]>

Author: csviri

docs/documentation/v5-0-migration.md

@@ -0,0 +1,8 @@
+---
+title: Migrating from v4.7 to v5.0
+description: Migrating from v4.7 to v5.0
+layout: docs
+permalink: /docs/v5-0-migration
+---
+
+# Migrating from v4.7 to v5.0