minor: Add Gitea to SCM role

molecule/default/Dockerfile

@@ -0,0 +1,14 @@
+ARG MOLECULE_DISTRO=docker.io/library/debian:stable
+FROM ${MOLECULE_DISTRO}
+
+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"]