micropython/bundle-typing: Add bundle for typing modules.

This also defaults the mpy-cross opt level to 3, to reduce firmware size.

Signed-off-by: Jos Verlinde <[email protected]>

Author: Josverl

micropython/bundles/bundle-typing/manifest.py

@@ -0,0 +1,20 @@
+# type: ignore
+
+metadata(
+    version="1.26.1",
+    description="Limited runtime typing support for MicroPython.",
+)
+
+options.defaults(opt_level=3, extensions=False) 
+
+# Primary typing related modules
+require("__future__", opt_level=options.opt_level)
+require("typing", opt_level=options.opt_level)
+require("abc", opt_level=options.opt_level)
+
+# # Optional typing modules
+if options.extensions:
+    # require("typing_extensions", opt_level=options.opt_level)
+    require("collections-abc", opt_level=options.opt_level)
+    pass
+