Add codeclimate config

[why]
Code Climate configuration for Python is per default rather restrictive
and would force us to split all stuff into too many files.

[how]
Have some faith in the cognitive capabilities of people.

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

.codeclimate.yml

@@ -0,0 +1,14 @@
+version: "2"
+checks:
+  file-lines:
+    config:
+      threshold: 500
+  method-complexity:
+    config:
+      threshold: 9
+  method-count:
+    config:
+      threshold: 30
+  method-lines:
+    config:
+      threshold: 50

.dockerignore

@@ -2,3 +2,4 @@
 !src/glyphs
 !font-patcher
 !bin/scripts/docker-entrypoint.sh
+!.codeclimate.yml