Merge pull request kpu#401 from JonLiu1993/vcpkg-installition

Add vcpkg installation instructions

README.md

@@ -97,6 +97,18 @@ print(model.score('this is a sentence .', bos = True, eos = True))
 ```
 See [python/example.py](python/example.py) and [python/kenlm.pyx](python/kenlm.pyx) for more, including stateful APIs.  
 
+### Building kenlm - Using vcpkg
+
+You can download and install kenlm using the [vcpkg](https://github.com/Microsoft/vcpkg) dependency manager:
+
+    git clone https://github.com/Microsoft/vcpkg.git
+    cd vcpkg
+    ./bootstrap-vcpkg.sh
+    ./vcpkg integrate install
+    ./vcpkg install kenlm
+
+The kenlm port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.
+
 ---
 
 The name was Hieu Hoang's idea, not mine.