Based on comments, you want to install an unswitched outlet next to the switch. Since you have confirmed that you have neutral in the box, that should be straightforward:

* Unless the circuit is already GFCI protected, you **MUST** use a GFCI receptacle. The following is based on a typical GFCI receptacle.

* Add two pigtails on the **incoming hot** wire with a wire nut. Connect one to the switch (where the incoming hot was previously connected) and one to the **hot** screw on the **LINE** side of the receptacle.

* Add a pigtail to the **neutral bunch** and connect it to the **neutral** screw on the **LINE** side of the receptacle.

* Add a ground wire to the rest of grounds and connect it to the ground screw on the receptacle.

Nothing goes on the **LOAD side**. Those terminals are covered with tape, leave the tape on there, it will save you unlimited grief.