Add device frame images for Orion, Rion and Rion portrait

Three PNG frames in assets/ with transparent screen cutouts:
- frame_orion.png (1144x849, screen at 191,169 = 800x480)
- frame_rion.png (433x396, screen centered at 76,62 = 320x240)
- frame_rion_portrait.png (856x1134, screen at 190,170 = 480x800)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app_state.py

@@ -8,7 +8,7 @@ so later rebinding would only ever be seen by the module that did it.
 import configparser
 import os
 
-VERSION = "0.0.0.119"
+VERSION = "0.0.0.120"
 PROPERTIES_FILE = os.path.join(os.path.dirname(os.path.abspath(__file__)), "editor.properties")
 DEFAULT_GRID_SIZE = 10
 DEFAULT_ADD_TIMESTAMP = True