Fix diff issue

v1.2.2

Update readme according to Go doc

Add to marketplace

remove support for old Go versions

go-multierror stopped supporting go1.12 and lower.

Add support for Github actions

remove support for old Go versions

go-multierror stopped supporting go1.12 and lower.

Add output to examples

v1.1.8

Add output for examples

Don't use Go ellipsis as links

v1.1.7

Skip go ellipsis as links

Fix local path regex

Fixes #79

Fix last line \n

v1.1.5

fix cases that last line does not end with \n

Add support for diff blocks

v1.1.4

fix bug

Add support for diff blocks

v1.1.3

enable diff code blocks

Add support for url title and images

v1.1.2

Add support for url titles