Release 0.6.0: Phase 2 complete (references + rename)

- Scope-aware find references across open documents and .def files
- Multi-file rename with prepare support, verified live via F2
- Phase 2 now covers the full tutorial list: parser, symbols,
  diagnostics, completion, hover, definition, references, rename

package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "modula2-ide",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "GNU Modula-2 IDE built on Eclipse Theia",
   "engines": {
     "node": ">=24",