feat: add csv2json and json2csv scripts

.bin/csv2json

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+import csv
+import json
+import sys
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--delimiter", "-d", default=",", help="CSV field separator")
+
+args = parser.parse_args()
+
+if __name__ == "__main__":
+    json.dump(list(csv.DictReader(sys.stdin, delimiter=args.delimiter)), sys.stdout)