Merge pull request #284 from ccarruitero/challenge-template

add new challenge template

Author: ledsun

.github/ISSUE_TEMPLATE/new-challenge-proposal.md

@@ -0,0 +1,29 @@
+**Title**
+<!-- Just a title for your challenge -->
+<!-- Ex: FUNCTION RETURN VALUES -->
+
+**Goal**
+<!-- Ex: Learn how to handle function return values. -->
+
+** Problem **
+<!--
+  Typically a workshopper problem consist in a description of a javascript
+  concept (or feature) that try to teach, a challenge for apply description above
+  and lastly a verify instructions
+-->
+<!-- Ex:
+  The result of the function is a value.
+  You can get the result of the function as follows:
+
+  const ret = Math.random()
+
+  ** The challenge: **
+
+  Create a file named function-return-value.js.
+
+  Check to see if your program is correct by running this command:
+
+  javascripting verify arrays.js
+-->
+
+TODO