Even more ambience (#7109)

* hydro tray audio

* licensio

* R&D server now annoys the shit out of people.

* Tone down ambience a bit.

* Update Resources/Audio/Ambience/Objects/license.txt

Co-authored-by: ike709 <ike709@users.noreply.github.com>

* begin making ambience configurable.

* almost works

* volume works

* whee

* remove the toggle button entirely, make it use volume.

* fix

* whobsy

* a

* CHEAT moment

Co-authored-by: ike709 <ike709@users.noreply.github.com>

Resources/Prototypes/Entities/Structures/Machines/research.yml

@@ -29,7 +29,11 @@
           SheetSteel1:
             min: 1
             max: 2
-
+  - type: AmbientSound
+    volume: -9
+    range: 5
+    sound:
+      path: /Audio/Ambience/Objects/server_fans.ogg
 - type: entity
   id: BaseResearchAndDevelopmentPointSource
   parent: BaseMachinePowered

Resources/Prototypes/Entities/Structures/hydro_tray.yml

@@ -39,4 +39,8 @@
   - type: Wires
     BoardName: "HydroponicsTray"
     LayoutId: HydroponicsTray
-
+  - type: AmbientSound
+    volume: -9
+    range: 5
+    sound:
+      path: /Audio/Ambience/Objects/flowing_water_open.ogg