Add changeset for 0.5.0 release

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

.changeset/unified-version-0-5-0.md

@@ -0,0 +1,29 @@
+---
+"@objectstack/spec": minor
+"@objectstack/client": minor
+"@objectstack/driver-memory": minor
+"@objectstack/objectql": minor
+"@objectstack/plugin-hono-server": minor
+"@objectstack/plugin-msw": minor
+"@objectstack/runtime": minor
+"@objectstack/types": minor
+"@objectstack/ai-bridge": minor
+"@objectstack/cli": minor
+"@objectstack/core": minor
+"@objectstack/docs": minor
+"@objectstack/example-ai-sales": minor
+"@objectstack/example-msw-react-crud": minor
+"@objectstack/example-ai-codegen": minor
+"@objectstack/example-todo": minor
+"@objectstack/example-crm": minor
+"@objectstack/example-ai-analyst": minor
+"@objectstack/example-host": minor
+"@objectstack/example-ai-support": minor
+"@objectstack/plugin-bi": minor
+---
+
+Unified version bump to 0.5.0
+
+- Standardized all package versions to 0.5.0 across the monorepo
+- Fixed driver-memory package.json paths for proper module resolution
+- Ensured all packages are in sync for the 0.5.0 release