Make Ansible overwrite Lemmy config (fixes #1549)

ansible/lemmy.yml

@@ -83,12 +83,11 @@
         pictshare_port: "8537"
         iframely_port: "8538"
 
-    - name:  add config file (only during initial setup)
+    - name:  add config file
       template:
         src: 'templates/config.hjson'
         dest: '{{lemmy_base_dir}}/lemmy.hjson'
         mode: '0600'
-        force: false
         owner: '1000'
         group: '1000'
     vars:

ansible/templates/config.hjson

@@ -1,6 +1,8 @@
 {
-  # for more info about the config, check out the documentation
+  # For more info about the config, check out the documentation
   # https://join.lemmy.ml/docs/en/administration/configuration.html
+  #
+  # Do not change this file on the server, as rerunning Ansible will overwrite it
 
   # settings related to the postgresql database
   database: {