Add hardware interlock to charger enable, rename battery control circuit sheet

Hardware/keyboard_controller/block/ideal_diode.kicad_sch

@@ -1010,7 +1010,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "339d59ec-637f-4ade-a2ab-e3d3fd43c3cf")
-		(property "Reference" "Q"
+		(property "Reference" "Q4"
 			(at 86.36 54.6101 0)
 			(effects
 				(font
@@ -1111,6 +1111,10 @@
 		)
 		(instances
 			(project "keyboard_controller"
+				(path "/b230ff6d-d62b-4e9b-b4a9-a03792e35fdd/596f4890-a5ff-4776-a61d-272e3bcbcdd5/efdabaa1-4e6c-4b02-8574-dea8c0bb89ea"
+					(reference "Q4")
+					(unit 1)
+				)
 				(path "/b230ff6d-d62b-4e9b-b4a9-a03792e35fdd/81f7f138-c870-483b-b965-9895c9eb889f/14e475fc-3ffe-44c4-b9c9-539e1b0d41cb"
 					(reference "Q4")
 					(unit 1)
@@ -1122,13 +1126,13 @@
 		(lib_id "Transistor_BJT:BC857BS")
 		(at 111.76 53.34 0)
 		(mirror x)
-		(unit 1)
+		(unit 2)
 		(exclude_from_sim no)
 		(in_bom yes)
 		(on_board yes)
 		(dnp no)
 		(uuid "4af76aab-f986-4385-9520-d829779e4c99")
-		(property "Reference" "Q"
+		(property "Reference" "Q4"
 			(at 116.84 54.6101 0)
 			(effects
 				(font
@@ -1229,6 +1233,10 @@
 		)
 		(instances
 			(project "keyboard_controller"
+				(path "/b230ff6d-d62b-4e9b-b4a9-a03792e35fdd/596f4890-a5ff-4776-a61d-272e3bcbcdd5/efdabaa1-4e6c-4b02-8574-dea8c0bb89ea"
+					(reference "Q4")
+					(unit 2)
+				)
 				(path "/b230ff6d-d62b-4e9b-b4a9-a03792e35fdd/81f7f138-c870-483b-b965-9895c9eb889f/14e475fc-3ffe-44c4-b9c9-539e1b0d41cb"
 					(reference "Q4")
 					(unit 2)

Hardware/keyboard_controller/keyboard_controller.kicad_sch

@@ -737,7 +737,7 @@
 			(color 0 0 0 0.0000)
 		)
 		(uuid "596f4890-a5ff-4776-a61d-272e3bcbcdd5")
-		(property "Sheetname" "POWER"
+		(property "Sheetname" "Battery"
 			(at 78.74 53.8984 0)
 			(effects
 				(font
@@ -746,7 +746,7 @@
 				(justify left bottom)
 			)
 		)
-		(property "Sheetfile" "POWER.kicad_sch"
+		(property "Sheetfile" "battery.kicad_sch"
 			(at 78.74 72.9746 0)
 			(effects
 				(font