Reworded opening paragraph to improve flow and remove redundant phrasing.
Updated description of wrenInitConfiguration to emphasize prevention of uninitialized configuration.
Changed "the VM" to "Wren" in loadModuleFn description for consistent terminology.
Replace the stub "TODO: Write these docs." in configuring-the-vm.markdown with comprehensive documentation covering all WrenConfiguration fields including binding callbacks, memory management, and error handling. Also fix the typo "phyisically" to "physically" in the wren.h header comment and remove trailing whitespace on several lines.
