koolbox: Add some additional tools to the container

This patch should add utils like `watch` but also basic network tools
like ping to the koolbox container, making it a lot more useful.

cli/Dockerfile

@@ -75,6 +75,7 @@ RUN dnf install -y \
       ca-certificates \
       openssh-clients \
       openssl \
+      gnupg \
       ansible \
       make \
       rsync \
@@ -87,6 +88,8 @@ RUN dnf install -y \
       vim \
       bash-completion \
       butane \
+      iputils \
+      procps-ng \
     && dnf clean all
 
 # External tools