Add a minimal example on how to use the module

ehrenfeu · ehrenfeu · commit c3f310240c1f · 2021-03-31T15:43:13.000+02:00
diff --git a/extra/scripts/minimal-example.py b/extra/scripts/minimal-example.py
@@ -0,0 +1,7 @@
+#@ LogService sjlog
+
+import sjlogging
+
+log = sjlogging.setup_logger(sjlog)
+
+log.warn("warning")
