feat: better pinch-zooming
feat: better pinch-zooming

Zooming in where first finger is touching. This seems to be the standard elsewhere. When pinching inwards (zooming out) use center-point between the fingers like before
NationalLibraryOfNorway/ngx-mime,ronnymikalsen/ngx-mime,NationalLibraryOfNorway/ngx-mime,ronnymikalsen/ngx-mime,ronnymikalsen/ngx-mime,ma31cm/ngx-mime,raymondkarstensen/ngx-mime,ma31cm/ngx-mime,NationalLibraryOfNorway/ngx-mime,ma31cm/ngx-mime,raymondkarstensen/ngx-mime,raymondkarstensen/ngx-mime,ronnymikalsen/ngx-mime,ma31cm/ngx-mime,raymondkarstensen/ngx-mime,NationalLibraryOfNorway/ngx-mime