ci: merge workflow jobs and add makefile

.github/pre-push

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+IFS=' '
+while read local_ref _local_sha _remote_ref _remote_sha; do
+	remote_main=$( (git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null || echo "///master") | cut -f 4 -d / | tr -d "[:space:]")
+	local_ref_short=$(echo "$local_ref" | cut -f 3 -d / | tr -d "[:space:]")
+	if [ "$local_ref_short" = "$remote_main" ]; then
+		make lint
+		make test
+	fi
+done