updated readme with interpolation and doctype examples
updated readme with interpolation and doctype examples

zakuro9715/slim,metallurgical/slim,mojavelinux/slim,Nikeshsuwal/slim,ericboehs/slim,XueQian/slim,etdev/slim,slim-template/slim,XueQian/slim,sideci-sample/sideci-sample-slim,JuanitoFatas/slim,ruijsun/slim,yterajima/slim,slim-template/slim,zakuro9715/slim,metallurgical/slim,JuanitoFatas/slim,etdev/slim,mojavelinux/slim,fly19890211/slim,ruijsun/slim,raxoft/slim,Nikeshsuwal/slim,slim-template/slim,fly19890211/slim,cheunghy/slim,ericboehs/slim,cheunghy/slim,raxoft/slim