add config example (mostly empty)

So far only the vty and ctrl bind configs exists.

Change-Id: I38ef124e9f28bdd744bafd20fa8c310511c0b8ad
diff --git a/doc/examples/osmo-hlr.cfg b/doc/examples/osmo-hlr.cfg
new file mode 100644
index 0000000..2b49958
--- /dev/null
+++ b/doc/examples/osmo-hlr.cfg
@@ -0,0 +1,16 @@
+!
+! OsmoHLR example configuration
+!
+log stderr
+  logging filter all 1
+  logging color 1
+  logging print category 1
+  logging timestamp 1
+  logging print extended-timestamp 1
+  logging level all debug
+  logging level linp error
+!
+line vty
+ bind 127.0.0.1
+ctrl
+ bind 127.0.0.1