Add DNS provider for Liara (#1741)

docs/content/dns/zz_gen_liara.md

@@ -0,0 +1,67 @@
+---
+title: "Liara"
+date: 2019-03-03T16:39:46+01:00
+draft: false
+slug: liara
+dnsprovider:
+  since:    "v4.10.0"
+  code:     "liara"
+  url:      "https://liara.ir"
+---
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/liara/liara.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+
+
+Configuration for [Liara](https://liara.ir).
+
+
+<!--more-->
+
+- Code: `liara`
+- Since: v4.10.0
+
+
+Here is an example bash command using the Liara provider:
+
+```bash
+LIARA_API_KEY="xxxxxxxxxxxxxxxxxxxxx" \
+lego --email myemail@example.com --dns liara --domains my.example.org run
+```
+
+
+
+
+## Credentials
+
+| Environment Variable Name | Description |
+|-----------------------|-------------|
+| `LIARA_API_KEY` | The API key |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{< ref "dns#configuration-and-credentials" >}}).
+
+
+## Additional Configuration
+
+| Environment Variable Name | Description |
+|--------------------------------|-------------|
+| `LIARA_HTTP_TIMEOUT` | API request timeout |
+| `LIARA_POLLING_INTERVAL` | Time between DNS propagation check |
+| `LIARA_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation |
+| `LIARA_TTL` | The TTL of the TXT record used for the DNS challenge |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{< ref "dns#configuration-and-credentials" >}}).
+
+
+
+
+## More information
+
+- [API documentation](https://dns-service.iran.liara.ir/swagger)
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/liara/liara.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->