Add linux script

Not a lot of output compared to windows. It is assumed that linux users
have clang-format in the path.

build_scripts/linux/format

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+clang-format --version
+
+if [ $? -eq 0 ]; then
+    echo "Clang-format found."
+    build_path="`dirname \"$0\"`"
+    project_path=$build_path/../..
+
+    find $project_path/src/ -regex '.*\.\(cpp\|h\)' -exec clang-format -style=file -i {} \; -exec echo "Iteration 1: {}" \;
+    find $project_path/src/ -regex '.*\.\(cpp\|h\)' -exec clang-format -style=file -i {} \; -exec echo "Iteration 2: {}" \;
+    echo "DONE"
+else
+    echo "Could not find clang-format."
+fi
+