Add linter + clang-format

lint.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if (( $# < 1 )); then
+    >&2 echo "Illegal number of parameters"
+    exit 1
+fi
+
+# save unsaved work
+git stash --include-untracked
+
+clang-format -i "$@"
+
+git add -A && git commit -m "Lint"
+
+git stash pop