Wrap JSON examples in language specific code wrap

This allows Github or any repo system to parse and display correctly code
examples by proper wrappers.

README.md

@@ -12,43 +12,54 @@ The "smarty/smarty" package will start at libs/....   subfolder.
 
 To get the latest stable version of Smarty 3.1 use
 
-	"require": {
+```json
-	   "smarty/smarty": "~3.1"
+"require": {
-	}
+    "smarty/smarty": "~3.1"
+}
+```
 
 in your composer.json file.
- 
- To get the trunk version use
 
-	"require": {
+To get the trunk version use
-	   "smarty/smarty": "~3.1@dev"
+
-	}
+```json
+"require": {
+    "smarty/smarty": "~3.1@dev"
+}
+```
 
 For a specific version use something like
 
-	"require": {
+```json
-               	   "smarty/smarty": "3.1.19"
+"require": {
-    }
+    "smarty/smarty": "3.1.19"
+}
+```
 
 PHPUnit test can be installed by corresponding composer entries like
 
-	"require": {
+```json
-               	   "smarty/smarty-phpunit": "3.1.19"
+"require": {
-    }
+    "smarty/smarty-phpunit": "3.1.19"
+}
+```
 
 Similar applies for the lexer/parser generator
 
-	"require": {
+```json
-               	   "smarty/smarty-lexer": "3.1.19"
+"require": {
-    }
+    "smarty/smarty-lexer": "3.1.19"
+}
+```
 
 Or you could use
 
-	"require": {
+```json
-               	   "smarty/smarty-dev": "3.1.19"
+"require": {
-    }
+    "smarty/smarty-dev": "3.1.19"
+}
+```
 
 Which is a wrapper to install all 3 packages
 
-
 Composer can also be used for Smarty2 versions 2.6.24 to 2.6.28