A large number of small tooling and README updates.

util/command.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+import sys
+from common import _operation
+
+def run_command(argv):
+    result = _operation(f"command",[
+        [
+            "python3",
+            "-m", "flask",
+        ] + argv[1:]
+    ])
+
+    sys.exit(result.returncode)
+
+if __name__=='__main__':
+    run_command(sys.argv)