added introduction chapter

presentation.md

@@ -13,4 +13,24 @@
 
 -> # Introduction
 
--
+- JavaScript is _the_ language of the Web
+- It is not always the right tool for the job
+- Many approaches have been taken to change it
+  to fit the users needs
+
+---
+
+-> # Introduction
+
+- Mitigations fall into two categories
+  - Preprocessors
+  - Transpilers
+- Caveat: thin wrapper around JavaScript
+
+---
+
+-> # Introduction
+
+- zepto-js attempts to build a runtime that is
+  foreign to JavaScript while still being compatible
+- Features: Functional, Lisp, Macros, Continuations