new simpler setup method, readme and doc update

config.example.yml

@@ -15,14 +15,14 @@
 #   options:
 #     - auth_token: c1234565789-abcdefghijklmnopqrst # your zone API token
 
-# 3. other providers, check readme for more
+# 3. other providers, check docs/dns_providers.md for more
 
 providers:
-  include:
-    - providers.yml # config/providers.yml
-    # add some more below if you want
-    # - file1.yml # config/file_1.yml
-    # - file2.yml
+  # include:
+  #   - providers.yml # config/providers.yml
+  #   # add some more below if you want
+  #   - file1.yml # config/file_1.yml
+  #   - file2.yml
   docker:
     # for value format, see https://docs.docker.com/reference/cli/dockerd/
     # $DOCKER_HOST implies unix:///var/run/docker.sock by default
@@ -30,8 +30,7 @@ providers:
     # add more docker providers if needed
     # remote-1: tcp://10.0.2.1:2375
     # remote-2: ssh://root:1234@10.0.2.2
-
 # Fixed options (optional, non hot-reloadable)
 
 # timeout_shutdown: 5
-# redirect_to_https: false
+# redirect_to_https: false # redirect http requests to https (if enabled)