[kitty] Fix font and default window size

kitty/.config/kitty/kitty.conf

@@ -3,7 +3,7 @@
 include ./kitty-themes/themes/Monokai.conf
 
 font_family IBM Plex Mono
-font_size 12.0
+font_size 10.0
 enable_audio_bell no
 visual_bell_duration 0.1
 window_padding_width 12
@@ -12,3 +12,6 @@ dim_opacity 0.95
 allow_remote_control yes
 term xterm-256color
 confirm_os_window_close -1
+remember_window_size  no
+initial_window_width  70c
+initial_window_height 15c