Add images for error documents

[TheRealOne78]

The error documents are awaiting images. I am not qualified to make images in inkscape, so I am putting this issue for someone willing to make pixelart SVG images instead.

Image name	Error document	Image path	Available	Satisfied with the results
ok	index.html	img/index.ok.svg	Yes	Yes
N/A	400.htm	N/A	No	No
lock	401.htm	img/401.lock.svg	Yes	No
N/A	402.htm	N/A	No	No
N/A	403.htm	N/A	No	No
file	404.htm	img/404.file.svg	Yes	No
img	404.htm	img/404.img.svg	Yes	No
music	404.htm	img/404.music.svg	Yes	No
video	404.htm	img/404.video.svg	Yes	No
N/A	404.htm	N/A	No	No
N/A	405.htm	N/A	No	No
N/A	406.htm	N/A	No	No
N/A	407.htm	N/A	No	No
N/A	408.htm	N/A	No	No
N/A	409.htm	N/A	No	No
N/A	410.htm	N/A	No	No
N/A	411.htm	N/A	No	No
N/A	412.htm	N/A	No	No
N/A	413.htm	N/A	No	No
N/A	414.htm	N/A	No	No
N/A	415.htm	N/A	No	No
N/A	416.htm	N/A	No	No
N/A	417.htm	N/A	No	No
N/A	418.htm	N/A	No	No
N/A	421.htm	N/A	No	No
N/A	422.htm	N/A	No	No
N/A	423.htm	N/A	No	No
N/A	424.htm	N/A	No	No
N/A	425.htm	N/A	No	No
N/A	426.htm	N/A	No	No
N/A	428.htm	N/A	No	No
N/A	429.htm	N/A	No	No
N/A	431.htm	N/A	No	No
N/A	451.htm	N/A	No	No
N/A	500.htm	N/A	No	No
N/A	501.htm	N/A	No	No
N/A	502.htm	N/A	No	No
N/A	503.htm	N/A	No	No
N/A	504.htm	N/A	No	No
N/A	505.htm	N/A	No	No
N/A	506.htm	N/A	No	No
N/A	507.htm	N/A	No	No
N/A	508.htm	N/A	No	No
N/A	510.htm	N/A	No	No
N/A	511.htm	N/A	No	No

Please write and ping me - @TheRealOne78 - to update the table.