IMP(shfmt): add shell formatter

shellcheck/docker_build_and_run_shellcheck.sh

@@ -7,4 +7,3 @@ set -e
 dockerfile="$(dirname "$0")/Dockerfile.shellcheck"
 docker build -f "$dockerfile" -t debiancis-shellcheck "$(dirname "$0")"/../
 docker run --rm debiancis-shellcheck "$@"
-

shellcheck/launch_shellcheck.sh

@@ -6,7 +6,7 @@ files=""
 retval=0
 
 if [ $# -eq 0 ]; then
-    files=$(find . -name "*.sh" | sort -V )
+    files=$(find . -name "*.sh" | sort -V)
 else
     files="$*"
 fi