Add administration issue template

Author: fcollonval

.github/ISSUE_TEMPLATE/change-user-rights-or-project-settings.md

@@ -0,0 +1,16 @@
+---
+name: Change user rights or project settings
+about: Request changes in user rights or project settings
+title: ''
+labels: administration
+assignees: ''
+
+---
+
+- Which repository do you want to modify:
+  - [ ] <!--URL to the repository-->
+- What do you want to do (multiple choices accepted):
+  - [ ] User rights change: <!-- Provide the user GitHub id and the desired rights -->
+  - [ ] Project settings: <!-- Provide the project settings you want to turn on -->
+- Why do you need those changes:
+  - [ ] <!-- Describe the reasons for theses changes -->