Rename package to @oivo/qmd

Internal Oivo fork of @tobilu/qmd v2.1.0 (upstream github.com/tobi/qmd).
Renamed to @oivo/qmd to avoid npm registry collision and to signal
this is the vendored variant consumed via file: dep from /srv/cli.

Upstream snapshot preserved at tag v2.1.0-upstream.

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@tobilu/qmd",
+  "name": "@oivo/qmd",
   "version": "2.1.0",
   "description": "Query Markup Documents - On-device hybrid search for markdown files with BM25, vector search, and LLM reranking",
   "type": "module",