Merge pull request #401 from koustuvsinha/source

Add IEM Kolkata Chapter file

Author: SomeoneWeird

chapters/iem-kolkata.json

@@ -0,0 +1,8 @@
+{
+  "name": "IEM Kolkata NodeSchool",
+  "location": "IEM, Kolkata",
+  "country": "IN",
+  "region": "Asia",
+  "organizers": ["koustuvsinha"],
+  "repo": "http://github.com/nodeschool/iem-kolkata"
+}