Update and rename README.md to README.rst

Author: blaze077

README.md

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+Description
+===========
+
+Converts Variable Frame Rate (VFR) video to a Constant Frame Rate (CFR) video through the use of Matroska Version 2 Timecodes.
+
+Ported from the Avisynth plugin written by Nicholai Main.
+
+
+Usage
+=====
+::
+
+    vfrtocfr.VFRToCFR(clip clip, string timecodes, int fpsnum, int fpsden[, bint drop = True])
+
+Parameters:
+    *clip*
+        Input clip.
+
+    *timecodes*
+        Name of the Matroska V2 Timecodes file.
+
+    *fpsnum*
+        Target output framerate numerator. Must be greater than 0.
+        
+    *fpsden*
+        Target output framerate denominator. Must be greater than 0.
+        
+    *drop*
+        If set to True, allows frame drops to acquire target framerate.
+        Otherwise, throws an error if frames are dropped.
+