Added cron to gitea container

gitea/Containerfile

@@ -28,7 +28,7 @@ ENV DBNAME=gitea
 ###
 
 # install packages we want
-RUN apt update -y && apt install -y postgresql postgresql-doc git openssh-server
+RUN apt update -y && apt install -y postgresql postgresql-doc git openssh-server cron
 
 # create directories for volumes
 RUN mkdir -p /vol/git /vol/data /vol/log /vol/keys