feat(shell): add codeclimate wrapper

There are two wrapper scripts for running codeclimate locally in docker.
This script is adapted from their website. There is also a script that
will output the results in vimgrep format, so they can be easily loaded
into the quickfix list.

site-modules/core/files/bin/codeclimate

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+docker run \
+  --interactive --rm \
+  --env CODECLIMATE_CODE="$PWD" \
+  --env CODECLIMATE_DEBUG="$CODECLIMATE_DEBUG" \
+  --volume "$PWD":/code \
+  --volume /var/run/docker.sock:/var/run/docker.sock \
+  --volume /tmp/cc:/tmp/cc \
+  codeclimate/codeclimate $@

site-modules/core/files/bin/codeclimate-vimgrep

@@ -0,0 +1,5 @@
+#! /bin/bash
+
+codeclimate analyze -f json $@ \
+  | jq -r '.[] | "\(.location.path):\(.location.lines.begin): \(.description)"' \
+  | grep -v '^null'