feat: implement molecule to test role (#4)

Reviewed-on: #4
Fix #3

molecule/default/Dockerfile

@@ -0,0 +1,13 @@
+FROM docker.io/library/debian:stable
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      python3 \
+      systemd \
+      systemd-sysv \
+      dbus \
+      ca-certificates && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+CMD ["/usr/sbin/init"]