fix(CD): os setting

Author: Francois Bonneau

.github/workflows/CD.yml

@@ -12,7 +12,7 @@ jobs:
         - {os: "ubuntu-latest", system: "ubuntu", ext: "tar.gz"}
         #- {os: "windows-latest", system: "win64", ext: "zip"}
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ${{ matrix.config.os }}
     steps:
     - uses: actions/checkout@v2
     - name: Create Build Environment

README.md

@@ -1,7 +1,10 @@
 # CodeTemplate
-
 This Project aim at providing a orgnanize code Template for c++ based project using CMake.
 
+# CI/CD
+github CI/CD are implemented in .github/workflow folder
+Status: ![CI](https://github.com/ring-teaching/CodeTemplate/workflows/CI/badge.svg?branch=master) ![CD](https://github.com/ring-teaching/CodeTemplate/workflows/CD/badge.svg?branch=master)
+
 ## project organization
  * cmake: folder to centralize (1) CMake macros and function and (2) CMake related configuration files.
  * include: folder to centralize libraries header files.