Update README.md

Added instruction to install curlcpp via homebrew

Author: JosephP91

README.md

@@ -14,8 +14,8 @@ Help me to improve this project!
 
 
 
-Compile and link
-================
+Compile and link manually
+=========================
 
 Standalone
 ----------
@@ -44,6 +44,17 @@ ADD_SUBDIRECTORY(ext/curlcpp) # Change `ext/curlcpp` to a directory according to
 INCLUDE_DIRECTORIES(${CURLCPP_SOURCE_DIR}/include)
 ```
 
+
+Install via Homebrew
+====================
+
+curlcpp is now available also via homebrew package manager:
+
+```bash
+brew install curlcpp
+```
+
+
 Simple usage example
 ====================