Updated Nimrod for C programmers (markdown)

Nimrod-for-C-programmers.md

@@ -29,6 +29,25 @@ Note: Code examples are not exactly one-to-one, there may be subtle differences
   </tr>
 
 
+  <tr>
+<td>
+```C
+int x;
+int y = 2;
+```
+</td>
+<td>
+```Nimrod
+var x : int
+var y1 : int = 2
+var y2 = 2
+let z = 2
+```
+</td>
+<td><b>Define variable</b>. y2 uses type inference. z is single-assignment.</i>
+</td>
+  </tr>
+
   <tr>
 <td>
 ```C