Added model files, tslint.

Model files will likely be externalized to its own 'spec' project
when the rest of the project is rewritten in typescript. That module
will likely contain processing utilities.

src/index.ts

@@ -1,6 +1,9 @@
-import yargs from 'yargs'
+/* tslint:disable:no-shadowed-variable */
 import { resolve } from 'path'
+import yargs from 'yargs'
 
+// Registering yargs configuration.
+// tslint:disable-next-line:no-unused-expression
 yargs
 .scriptName('')
 .coerce({
@@ -22,4 +25,4 @@ yargs
 })
 .demandCommand()
 .help()
-.argv
+.argv