Add a nix flake to have a devshell
diff --git a/.gitignore b/.gitignore
index b8b8506..b904dde 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,5 @@
 
 ClicksMigratingProblems/oldData/
 ClicksMigratingProblems/oldData copy/
+
+.direnv/