Disable crop area's default frame to make its precise edges visible

Adds crop.lua's documented configuration file to mpv's script-opts
directory

script-opts/crop.conf

@@ -0,0 +1,34 @@
+# default mode to be used if not specified in the script-message
+# can be hard, soft or delogo
+# in hard mode, a crop filter is applied to the video
+# in soft mode, video-zoom, video-pan-x and video-pan-y are modified to simulate the cropping
+# in delogo mode, the delogo filter is applied to the selected are
+# hard mode interacts nicely with encode.lua, soft mode does not
+mode=hard
+
+draw_crosshair=yes
+draw_text=yes
+draw_shade=yes
+draw_frame=no
+frame_border_width=2
+frame_border_color=EEEEEE
+# hexadecimal: 00 is opaque, FF is transparent
+shade_opacity=77
+mouse_support=yes
+
+# movement is defined in pixels in the window
+# which explains the mismatch with the text (in video space)
+coarse_movement=30
+left_coarse=LEFT
+right_coarse=RIGHT
+up_coarse=UP
+down_coarse=DOWN
+fine_movement=1
+left_fine=ALT+LEFT
+right_fine=ALT+RIGHT
+up_fine=ALT+UP
+down_fine=ALT+DOWN
+
+# these two options accept comma separated list of keys
+accept=ENTER,MOUSE_BTN0
+cancel=ESC