Update README instructions

+ Fix incorrect library name for `algorithms/trees/BST` example
+ Update root CMakeLists.txt for major directories to set binary path
+ Add instructions to install CMake LTS with pip

cpp/cmake/CMakeLists.txt

@@ -10,6 +10,8 @@
 # Define the version of CMake
 cmake_minimum_required(VERSION 3.15)
 
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
 # Define the your project name
 project(cmake-template)