Use simpler file structure

tasks/syncthing.yml

@@ -0,0 +1,11 @@
+- name: create configuration dir
+  file:
+    path: '{{ xdg_config_dir }}/syncthing'
+    state: directory
+
+- name: copy configuration file
+  template:
+    src: 'templates/{{ platform }}/syncthing.j2'
+    dest: '{{ xdg_config_dir }}/syncthing/config.xml'
+    mode: '0600'
+  notify: restart syncthing