Adds sized (S, M, L) power cells and a generic component for battery powered items (#2352)

* Refactor battery/powercell assets and add new ones.

* committing before I fuck things up

* slot component doned I think

* dictionary update

* Fixes

* Moving flashlight to powerslotcomponent

* har har i am using the message tubes

* Better documentation comment

* Reverting this overengineered garbage.

* Off with ye I said

* Examine texts.

* Some minor fixes to IDE complaints

* slot size from yaml

* Ignored component + removing a useless typo entry

* Making stunbatons use this

* Handle the message and remove some unnecessary dirtiness

* actionblocker checks

* remove unused file

* remove updatevisual

* make these nullable

* make these nullable too

* Unrename sprite folder

* check itemcomponent on insertion

* Use SendMessage over Owner.SendMessage

* Add support for auto-recharging batteries, an auto-recharging cell, and make flashlight status update correctly if one is inserted in it.

* get rid of public fields which are Bad

* add a description for the stun baton while i'm in here

* one more public field

* Add the blinky animation to the atomic cell

* Fix the charge indicator being STUPID

* better comments

* this is a better function

* add pause for flashlight, remove unnecessary imports from battery

* potato battery copyright link

* WHO DID THAT

* mr clean has come

* Random pitch

* pausing

* round to nearest levels

Resources/Textures/Objects/Power/PowerCells/power_cell_large_hy.rsi/meta.json

@@ -0,0 +1,66 @@
+{
+    "version": 1,
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Taken from https://github.com/discordia-space/CEV-Eris/",
+    "states": [
+        {
+            "name": "l_hy",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "l_hy_0",
+            "directions": 1,
+            "delays": [
+                [
+                    0.2,
+                    0.2
+                ]
+            ]
+        },
+        {
+            "name": "l_hy_100",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "l_hy_25",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "l_hy_50",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        },
+        {
+            "name": "l_hy_75",
+            "directions": 1,
+            "delays": [
+                [
+                    1.0
+                ]
+            ]
+        }
+    ]
+}