added initial empty project and .gitignore

.gitignore

@@ -0,0 +1 @@
+.idea

src/linux/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 2.8.4)
+project(linux)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+
+set(SOURCE_FILES main.cpp)
+add_executable(linux ${SOURCE_FILES})

src/linux/main.cpp

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main(int, char**) {
+    std::cout << "Hello, World!" << std::endl;
+    return 0;
+}