Added mimitypes info to index.theme and index.theme.kde

Signed-off-by: MishkaRogachev <mishkarogachev@gmail.com>
Added more text mimetypes

Signed-off-by: MishkaRogachev <mishkarogachev@gmail.com>
Garbage deleted

Signed-off-by: MishkaRogachev <mishkarogachev@gmail.com>