add NUR and own repo

config.nix

@@ -1 +1,13 @@
-{ allowUnfree = true; }
+{
+  allowUnfree = true;
+  oraclejdk.accept_license = true;
+
+  packageOverrides = pkgs: {
+    nur = import (builtins.fetchTarball "https://github.com/nix-community/NUR/archive/master.tar.gz") {
+      inherit pkgs;
+    };
+    dan = import (builtins.fetchTarball "https://git.dodsorf.as/Dandellion/NUR/-/archive/master/NUR-master.tar.gz") {
+      inherit pkgs;
+    };
+  };
+}