update .gitignore

Author: deruyter92

.gitignore

@@ -3,13 +3,17 @@
 # Data related to benchmark!
 benchmarking/Data*
 benchmarking/results*
-
+dlclive/check_install/dlc-live-tmp*
 *test*
 **DS_Store*
 *vscode*
 
 **/__MACOSX/
 
+# Include tests directory (negate the *test* pattern for tests/)
+!tests/
+!tests/**
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]