added French translation reference

Author: dimadeveatii

README.md

@@ -2894,6 +2894,7 @@ This is also available in other languages:
 - ![cn](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/China.png) **Chinese**: 
   - [beginor/clean-code-typescript](https://github.com/beginor/clean-code-typescript)
   - [pipiliang/clean-code-typescript](https://github.com/pipiliang/clean-code-typescript)
+- ![fr](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/France.png) **French**: [ralflorent/clean-code-typescript](https://github.com/ralflorent/clean-code-typescript)
 - ![ja](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/Japan.png) **Japanese**: [MSakamaki/clean-code-typescript](https://github.com/MSakamaki/clean-code-typescript)
 - ![ru](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/Russia.png) **Russian**: [Real001/clean-code-typescript](https://github.com/Real001/clean-code-typescript)
 - ![es](https://raw.githubusercontent.com/gosquared/flags/master/flags/flags/shiny/24/Spain.png) **Spanish**: [JoseDeFreitas/clean-code-typescript](https://github.com/JoseDeFreitas/clean-code-typescript)