added readme file with small description

Author: morgadow

README.md

@@ -1 +1,15 @@
-# py_find_not_optimtimized_c
+# py_find_not_optimized_c
+
+Small program that parses C code and extracts functions not already compiler optimized. 
+Can be used to add missing optimizations or to replace optimizations with others.
+
+## Usage
+1) Select desired optimization which is accepted as "already set optimization" over function header by using the menu bar. As default all optimizations are accepted.
+2) Then select either folder with C source code or single .c code file.
+3) Start analyzing using the "_**Go**_" button
+4) The result file is creating in the current working directory. This file should be opened as well.
+
+
+    Important: 
+        Only for GCC Compiler like optimizations with format: __attribute__((optimize("-Os"))) !
+        Every other possible GCC optimization is recognized as well of course.