Update pica-dokuwiki/Dockerfile

pica-dokuwiki/Dockerfile

@@ -4,13 +4,13 @@ LABEL maintainer="antoine@barbare.me"
 WORKDIR /var/www
 RUN apt-get update -y && \
     apt-get install -y && \
-    curl && \
-    tar && \
-    php7.0 && \
-    php7.0-fpm && \
-    php7.0-gd && \
-    php7.0-xml; && \
-    mkdir -p html; && \
+        curl \
+        tar \
+        php7.0 \
+        php7.0-fpm \
+        php7.0-gd \
+        php7.0-xml; \
+    mkdir -p html; \
     chown -R nginx:nginx /var/www/html