fix(sonarQube): ajout de swagger dans les fichiers à exclure

sonar-project.properties

 sonar.sources = geocontrib/, api/, plugin_georchestra/
-sonar.exclusions = **/*test*, geocontrib/static/**, docs/**, api/tests/**, geocontrib/migrations/**
+sonar.exclusions = **/*test*, geocontrib/api/doc_swagger/**, geocontrib/static/**, geocontrib/migrations/**, docs/**, api/tests/**
 #sonar.tests = api/tests/