Lektor-image-filter

* update docs by DO1JLR in https://github.com/chaos-bodensee/lektor-image-filter/pull/17


**Full Changelog**: https://github.com/chaos-bodensee/lektor-image-filter/compare/2.1...3.0

What's Changed
* improved docs by DO1JLR in https://github.com/chaos-bodensee/lektor-image-filter/pull/12


**Full Changelog**: https://github.com/chaos-bodensee/lektor-image-filter/compare/2.0...2.1

BREAKING CHANGES

+ Changed filter names
+ improved lektor integration

What's Changed
* [BREAKING] Images size support for lektor.db.Images by DO1JLR in https://github.com/chaos-bodensee/lektor-image-filter/pull/11


**Full Changelog**: https://github.com/chaos-bodensee/lektor-image-filter/compare/1.2...2.0