tiny rename for the lever base plate

this might move into components (while not adjusted) at some point

src/top-panel-left-lever.scad

@@ -19,7 +19,7 @@
 include <components.scad>
 
 // combine the lever mount and generic plate, with mounting holes
-module leverplate() {
+module lever_plate() {
 	difference() {
 		// base plate
 		union() {
@@ -36,7 +36,7 @@ module leverplate() {
 module left_lever_panel() {
 	// put a 24mm hole in the lever plate just as a test
 	difference() {
-		leverplate();
+		lever_plate();
 		translate([70,0,0])
 			button_24mm_hole();
 	}