Update README.md

README.md

@@ -3,23 +3,42 @@ xxHashSharp
 
 A pure C# implementation of [xxhash](http://code.google.com/p/xxhash/)
 
-Example
-----------
-
-	byte[] input = Encoding.UTF8.GetBytes("hello world");
-
-	xxHash hash = new xxHash();
-	hash.Init();
-	hash.Update(input, input.Count());
-	...
-	Console.WriteLine("{0:X}", hash.Digest());
-
+
+## Installation
+
+1. From Nuget
+
+ * Download from [Nuget](https://www.nuget.org/packages/xxHashSharp/)
+ * Also, run the following command in the Package Manager Console.
+
+   ```
+   PM > Install-Package xxHashSharp
+   ```
+
+2. From Source
+ * You can just clone this repo.
+
+
+## Example
+
+```csharp
+byte[] input = Encoding.UTF8.GetBytes("hello world");
+
+xxHash hash = new xxHash();
+hash.Init();
+hash.Update(input, input.Count());
+...
+Console.WriteLine("{0:X}", hash.Digest());
+```	
+
 or
 
-	byte[] input = Encoding.UTF8.GetBytes("hello world");
-	Console.WriteLine("{0:X}", xxHash.CalculateHash(input));
+```csharp
+
+byte[] input = Encoding.UTF8.GetBytes("hello world");
+Console.WriteLine("{0:X}", xxHash.CalculateHash(input));
+```
 
-License
-----------
+## License
 
-BSD 2-clause license.
+BSD 2-clause license.