initial work on theme v2

see #78

assets/romfs/themes/base_black_theme.ini

@@ -1,15 +1,33 @@
 [theme]
-background=0x2d2d2dff
-grid=0x46464630
-selected=0x464646ff
-selected_overlay=0x00ffc8ff
-text=0xfbfbfbff
-text_selected=0x00ffc8ff
+background = 0x2d2d2d
+grid = 0x46464630
+popup = 0x464646
+error = 0xfa5a3a
 
-icon_audio=romfs:/theme/icon_audio.png
-icon_video=romfs:/theme/icon_video.png
-icon_image=romfs:/theme/icon_image.png
-icon_file=romfs:/theme/icon_file.png
-icon_folder=romfs:/theme/icon_folder.png
-icon_zip=romfs:/theme/icon_zip.png
-icon_nro=romfs:/theme/icon_nro.png
+line = 0xfbfbfb
+line_seperator = 0xd1d1d1
+
+text = 0xfbfbfb
+text_info = 0xd1d1d1
+text_selected = 0x00ffc8
+selected_background = 0x464646
+
+sidebar = 0x000000dc
+
+scrollbar = 0x00ffc8
+scrollbar_background = ; hide the background
+; scrollbar_background = 0x464646
+
+progressbar = 0x00ffc8
+progressbar_background = 0x464646
+
+highlight_1 = 0x1989c6
+highlight_2 = 0x89f0f2
+
+icon_audio = romfs:/theme/icon_audio.png
+icon_video = romfs:/theme/icon_video.png
+icon_image = romfs:/theme/icon_image.png
+icon_file = romfs:/theme/icon_file.png
+icon_folder = romfs:/theme/icon_folder.png
+icon_zip = romfs:/theme/icon_zip.png
+icon_nro = romfs:/theme/icon_nro.png