kivy: commit png icons (for svg resources) into repo

.gitignore

@@ -21,10 +21,6 @@ bin/
 electrum/gui/kivy/theming/light-0.png
 electrum/gui/kivy/theming/light-1.png
 electrum/gui/kivy/theming/light.atlas
-electrum/gui/kivy/theming/light/network.png
-electrum/gui/kivy/theming/light/lightning_switch_off.png
-electrum/gui/kivy/theming/light/lightning_switch_on.png
-electrum/gui/kivy/theming/light/lightning.png
 
 # tests/tox
 .tox/

electrum/gui/kivy/Makefile

@@ -5,7 +5,7 @@ PYTHON = python3
 .PHONY: theming apk clean
 
 theming:
-	#bash -c 'for i in network lightning; do convert -background none theming/light/$$i.{svg,png}; done'
+	#bash -c 'for i in network lightning; do convert -background none theming/light/$i.{svg,png}; done'
 	$(PYTHON) -m kivy.atlas theming/light 1024 theming/light/*.png
 prepare:
 	# running pre build setup