feat(ENV): Added Shell env

shell.nix

@@ -3,6 +3,8 @@
 pkgs.mkShell {
   buildInputs = with pkgs; [
     python3
+    ruff
+    pyright
   ];
 
   shellHook = ''
@@ -12,6 +14,10 @@ pkgs.mkShell {
 
     source .venv/bin/activate
 
+    if [ -f "requirements-dev.txt" ]; then
+      pip install -r requirements-dev.txt
+    fi
+
     if [ -f "dependencies.txt" ]; then
       pip install -r dependencies.txt
     fi