chore: include pre-built dist for github install

dist/hooks/rules-injector/project-root-finder.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Find project root by walking up from startPath.
+ * Checks for PROJECT_MARKERS (.git, pyproject.toml, package.json, etc.)
+ *
+ * @param startPath - Starting path to search from (file or directory)
+ * @returns Project root path or null if not found
+ */
+export declare function findProjectRoot(startPath: string): string | null;