Add blog post for pyfftw-rfft optimization (#11)

* add files for pyfftw rfft optimization

* minor changes

* renamed md file

* major chanage

* updated files

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* minor change

* improve text

* Improved the flow and provided the why behind each attempt

* improved blog

* fixed minor issues and improved clarity

* Add bonus part

* minor enhancement

* added images and their descriptions for BONUS section

* minor update on table

* minor enhancements

* Publish blog post

Author: NimaSarajpoor

.gitignore

@@ -2,3 +2,7 @@
 .DS_Store
 content/.DS_Store
 resources/
+
+**/*.npy
+**/*.py
+**/*.pkl