improve image preview

.gitignore

LICENCE.txt

conf/config.php

data/database.sqlite

data/vikm.sql

htdocs/.composer.json.swp

htdocs/api/.htaccess

htdocs/api/datasets.php

htdocs/api/group.php

htdocs/api/image_get.php

htdocs/api/index.php

htdocs/api/news.php

htdocs/api/projects.php

htdocs/api/user.php

htdocs/composer.json

htdocs/composer.lock

htdocs/vendor/autoload.php

htdocs/vendor/composer/ClassLoader.php

htdocs/vendor/composer/LICENSE

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