Merge branch 'development' into 'master'

Add 2.3.1 version in package.json

See merge request refonte-data/portail-data!50

package.json

 {
   "name": "webapp",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "license": "MIT",
   "scripts": {
     "ng": "ng",