Add debian packaging content

Change-Id: I2bcacca040364f77aa6b17edf53acf53c820c17b
diff --git a/debian/changelog b/debian/changelog
new file mode 100644
index 0000000..4e8308d
--- /dev/null
+++ b/debian/changelog
@@ -0,0 +1,5 @@
+osmo-sysmon (0.0.1) unstable; urgency=medium
+
+  * Initial release.
+
+ -- Pau Espin Pedrol <pespin@sysmocom.de>  Tue, 19 Mar 2019 18:32:14 +0100