[RWPNM] Added README

README.txt

@@ -0,0 +1,21 @@
+RWPNM - a one-file drop-in C++ library for working with PPM, PGM and PBM image formats.
+
+How to use:
+Either:
+1) Copy src/pnm.cpp to your project, #include and you`re done ! No
+other dependencies needed.
+
+or
+
+2) Create a dynamic library and use it instead.
+
+Version:
+v0.1.0
+
+Status:
+v0.1.0
+PPM reading, writing
+
+License:
+MIT Licese, you are free to do anything, just don`t forget
+to include the notice.