Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

templates/inventories/persona-developer-arduino/tasks/main.yml

@@ -0,0 +1,11 @@
+- name: install arduino developer tools
+  community.general.pacman:
+    name:
+      - arduino
+      - arduino-docs
+    state: present
+
+- name: Adding user {{users.client.username}} to relevant arduino usergroups  
+  user: name={{users.client.username}}
+        groups=uucp lock
+        append=yes