Add dependencies to pyproject, add tomlkit

flake.nix

@@ -17,6 +17,7 @@
             python3.withPackages (ps: with ps;[
               python-lsp-server
               pyside6
+              tomlkit
             ]
             )
           )

package.nix

@@ -16,6 +16,7 @@
   
   dependencies = with python3Packages; [
     pyside6
+    tomlkit
   ];
 
   nativeBuildInputs = [

pyproject.toml

@@ -14,6 +14,10 @@ classifiers = [
     "Programming Language :: Python",
     "Operating System :: POSIX :: Linux",
 ]
+dependencies = [
+    "pyside6",
+    "tomlkit",
+]
 
 [project.readme]
 file = "README.md"