Chart freq (#18)

* fizz buzz loop

* Moved to jslnriot directory

* Added new challenge

* Removing commit

* Added new challenge

Author: jslnriot

chart_frequency/README.md

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+# Chart Frequency
+
+Write a function charFreq() that takes a string and builds a frequency listing of the characters contained in it.
+
+Represent the frequency listing as a **Javascript object**.
+Run as charFreq("abbabcbdbabdbdbabababcbcbab").