new simpler setup method, readme and doc update

docs/dns_providers.md

@@ -11,42 +11,70 @@
 
 ## Cloudflare
 
+```yaml
+autocert:
+    provider: cloudflare
+    options:
+        auth_token:
+```
+
 `auth_token` your zone API token
 
 Follow [this guide](https://cloudkul.com/blog/automcatic-renew-and-generate-ssl-on-your-website-using-lego-client/) to create a new token with `Zone.DNS` read and edit permissions
 
 ## CloudDNS
 
-- `client_id`
-
-- `email`
-
-- `password`
+```yaml
+autocert:
+    provider: clouddns
+    options:
+        client_id:
+        email:
+        password:
+```
 
 ## DuckDNS
 
-- `token`: DuckDNS Token
+```yaml
+autocert:
+    provider: duckdns
+    options:
+        token:
+```
 
 Tested by [earvingad](https://github.com/earvingad)
 
 ## OVHCloud
 
+```yaml
+autocert:
+    provider: ovh
+    options:
+        api_endpoint:
+        application_key:
+        application_secret:
+        consumer_key:
+        oauth2_config:
+            client_id:
+            client_secret:
+```
+
 _Note, `application_key` and `oauth2_config` **CANNOT** be used together_
 
-- `api_endpoint`: Endpoint URL, or one of
-  - `ovh-eu`,
-  - `ovh-ca`,
-  - `ovh-us`,
-  - `kimsufi-eu`,
-  - `kimsufi-ca`,
-  - `soyoustart-eu`,
-  - `soyoustart-ca`
-- `application_secret`
-- `application_key`
-- `consumer_key`
-- `oauth2_config`: Client ID and Client Secret
-  - `client_id`
-  - `client_secret`
+-   `api_endpoint`: Endpoint URL, or one of
+    -   `ovh-eu`,
+    -   `ovh-ca`,
+    -   `ovh-us`,
+    -   `kimsufi-eu`,
+    -   `kimsufi-ca`,
+    -   `soyoustart-eu`,
+    -   `soyoustart-ca`
+-   `application_secret`
+-   `application_key`
+-   `consumer_key`
+-   `oauth2_config`: Client ID and Client Secret
+    -   `client_id`
+    -   `client_secret`
 
 ## Implement other DNS providers