fix: update pre-commit hook path to .opencode/tools/pre-commit.py

Author: apiad

.opencode/tools/git-precommit.py .opencode/tools/pre-commit.py.opencode/tools/git-precommit.py renamed to .opencode/tools/pre-commit.py

@@ -13,5 +13,5 @@ docs-build:
 	@mkdocs build
 
 install-hooks:
-	ln -sf ../../.gemini/hooks/pre-commit.py .git/hooks/pre-commit
+	ln -sf ../../.opencode/tools/pre-commit.py .git/hooks/pre-commit
 	chmod +x .git/hooks/pre-commit