refactor: project structure change

src/cyan.py

@@ -0,0 +1,25 @@
+import os
+from argparse import ArgumentParser
+
+import tbhutils
+
+
+def main(parser: ArgumentParser) -> None:
+  args = parser.parse_args()
+  args.i = os.path.normpath(args.input)
+
+  if args.output is not None:
+    args.o = os.path.normpath(args.output)
+    if not (args.o.endswith(".app") or args.o.endswith(".ipa")):
+      print("[?] output's file extension not specified; will create ipa")
+      args.o += ".ipa"
+  else:
+    args.o = args.i
+
+  arg_err = tbhutils.validate_inputs(args)
+  if arg_err is not None:
+    parser.error(arg_err)
+
+  # verbose notices
+  if args.o
+