Add initial README.md for Tiny PyHP

This README.md provides an overview of Tiny PyHP, describing it as a simple and fast implementation that relies solely on standard CRT and BSD OS libraries. The addition serves as the project's introductory documentation.

README.md

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+# Tiny PyHP
+
+A simple, fast, tiny, bare-bones, lean, from the scratch implementation
+which doesn't depend upon any 3rd party libraries except the standard
+CRT and BSD OS libs.
+
+...