Add hr to latexbuilder
Add hr to latexbuilder

krororo/review,masawada/review,kmuto/review,murashitas/review,masawada/review,suzuki/review,kuad9/review_study,takahashim/review,krororo/review,takahashim/review,orangain/review,murashitas/review,orangain/review,kmuto/review,kmuto/review,suzuki/review,krororo/review,kuad9/review_study