+ fix keyboard arrow control

Fixes #45

+ Change logic detecting if article was modified
Fixes #43

Fixes #27

Implements #26

Fix hamburger menu position. Fixes #12
Smaller headings. Fixes #13

fixes #34

(we use google fonts)

Fixes #31

Fixes #28

and add few command line options

use ./index.js --help to learn more

ok1kvk.cz/forum -> forum.ok1kvk.cz

Issue #11

Fixes #11

metadata to disable: `notarticle = true`

Also simplified theme.js and writeFiles.js which also fixed weird bug
Fixes #22

Also change from sftp upload to ftp upload

Fixes #4

Just write ![alt](img.png =x123,nolightbox)
or ![alt](img.png =nolightbox)

Also fixed tables being too big