Rewrite CodeCoverage.cmake (#2)

* Rewrite CodeCoverage.cmake to support all gcovr formats
* Restore CodeCoverage.cmake history from https://github.com/bilke/cmake-modules/blob/master/CodeCoverage.cmake
* Add .clangd and .devcontainer/ to .gitignore
* Set default coverage report format html-details
* Fix codecov badge

.github/workflows/action.yml

@@ -100,6 +100,7 @@ jobs:
             -DCMAKE_C_COMPILER=gcc \
             -DCMAKE_CXX_COMPILER=g++ \
             -DCODE_COVERAGE=True \
+            -DCODE_COVERAGE_REPORT_FORMAT=xml \
             ..
       - name: build all targets
         shell: bash

.gitignore

@@ -1,6 +1,8 @@
 .idea/
 .idea_modules/
 .build*/
+.clangd
+.devcontainer/
 *.iws
 *.swp
 *.swo

README.md

@@ -1,6 +1,6 @@
 ## Market book representation
 
-[![codecov](https://codecov.io/gh/Bronek/codecov-demo/graph/badge.svg?token=7AJeEkFllI)](https://codecov.io/gh/Bronek/codecov-demo)
+[![codecov](https://codecov.io/gh/Bronek/market/graph/badge.svg?token=WyFr5ajq3O)](https://codecov.io/gh/Bronek/market)
 
 Hi, thank you for looking at my project. Sadly the documentation is missing but that's OK since nobody is going to use it anyway.