Remove typings and add step in README to run tsd

Author: mhegazy

jsx/README.md

@@ -8,6 +8,11 @@ A demo project for showing off JSX in TypeScript
 npm install
 ```
 
+## Update typeings
+```
+node node_modules\.bin\tsd update
+```
+
 ## Compile
 ```
 node node_modules/typescript/bin/tsc

jsx/package.json

@@ -25,7 +25,8 @@
     "homepage": "https://github.com/RyanCavanaugh/jsx-demo",
     "devDependencies": {
         "typescript": "latest",
-        "http-server": "0.8.0"
+        "http-server": "0.8.0",
+        "tsd":  "latest"
     },
     "dependencies": {
         "jquery": "^2.1.4",