nextcloud: Fix Bookmarks app

images/nextcloud/Dockerfile

 ARG NEXTCLOUD_DATA_PATH
 ARG NEXTCLOUD_BACKUP_PATH
 
+# php-gmp php-intl are needed for Bookmarks app
 RUN \
     wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg && \
     apt-get update && \
-    apt-get install -y wget bzip2 vim rsync mariadb-client cron sudo php-imagick && \
+    apt-get install -y wget bzip2 vim rsync mariadb-client cron sudo php-imagick php7.2-gmp php7.2-intl && \
     apt-get clean
 
 # Change upload-limits and -sizes

images/nextcloud/Dockerfile.template

 ARG NEXTCLOUD_DATA_PATH
 ARG NEXTCLOUD_BACKUP_PATH
 
+# php-gmp php-intl are needed for Bookmarks app
 RUN \
     wget -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg && \
     apt-get update && \
-    apt-get install -y wget bzip2 vim rsync mariadb-client cron sudo php-imagick && \
+    apt-get install -y wget bzip2 vim rsync mariadb-client cron sudo php-imagick php7.2-gmp php7.2-intl && \
     apt-get clean
 
 # Change upload-limits and -sizes