hswaw/checkinator: implement support for kea dhcp server

Also bump version number and fix typo in README.

Change-Id: I116ef706d99df4ace70ccceefc6a23d41fd1adb6
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1942
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/hswaw/checkinator/README.rst b/hswaw/checkinator/README.rst
index e76b600..26de179 100644
--- a/hswaw/checkinator/README.rst
+++ b/hswaw/checkinator/README.rst
@@ -1,4 +1,4 @@
-`Warsaw Hackerspace`_  presence tracker hosted on https://at.hackersapce.pl. It
+`Warsaw Hackerspace`_  presence tracker hosted on https://at.hackerspace.pl. It
 uses dhcpd.leases file to track MAC adressess of devices connected to hs LAN
 network.
 
@@ -11,7 +11,7 @@
 -----
 .. code:: bash
 
-    cp config.yaml.dist config.yaml
+    cp config.dist.yaml config.yaml
     cp web-config.yaml.dist web-config.yaml
 
     # edit config files using your favourite editor