feat: renovate, update makefile, markdownlint, golancilint, drone integration

README.md

@@ -1,8 +1,11 @@
 # getidev
 
-`getidev` is a small programme to determine the network interface for an IP
-address.
+`getidev` is a small program to determine the network interface name based on a
+provided ip address.
 
 `getidev` serves as an alternative to `ip route get <ip> | awk ...` because `ip
-route get` can return different output depending on the environment and
-therefore the construct is unsafe.
+route get` can return a different output depending on of the distribution and
+the installed package versions. For this reason was `getidev` developed to
+return a stable outout.
+
+`getidev` is also as container image available: `docker.io/volkerraschek/getidev`.