Remove unnecessary files, update readme

Author: stevenpearson

CPackConfig.cmake

@@ -1,3 +1,29 @@
+# Simple demo with CMake and GTest
+
+Builds a simple C++ library, runs unit tests and generates code coverage.
+
+## Requirements
+Homebrew [https://brew.sh](url)
+VSCode [https://code.visualstudio.com/download](url)
+
+CMake
+```
+brew install homebrew
+```
+
+GTest
+```
+brew install googletest
+```
+
+Useful VSCode extensions
+
+- CMake Tools (Microsoft)
+- Coverage Gutters (rynluker)
+- C/C++ (Microsoft)
+- C/C++ Themes (Microsoft)
+- Makefile Tools (Microsoft)
+
 ### Build
 ```
 cd build
@@ -7,12 +33,13 @@ make
 
 ### Run tests
 ```
+cd build
 ./tests/addtest
 ```
 
 ### Generate coverage
 ```
-cd src/CMakeFiles/cpptest.dir
+cd build/src/CMakeFiles/cpptest.dir
 gcov cpptest.cpp.gcno
 mkdir ../../../../coverage
 lcov --capture --directory . --output-file ../../../../coverage/lcov.info