docs: fix galaxy link in readme

_docs/index.md

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+---
+title: chrony
+type: docs
+---
+
+[![Source Code](https://img.shields.io/badge/gitea-source%20code-blue?logo=gitea&logoColor=white)](https://gitea.rknet.org/ansible/xoxys.chrony)
+[![Build Status](https://img.shields.io/drone/build/ansible/xoxys.chrony?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/ansible/xoxys.chrony)
+[![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](https://gitea.rknet.org/ansible/xoxys.chrony/src/branch/main/LICENSE)
+
+Setup chrony NTP.
+
+<!--more-->
+
+- [Requirements](#requirements)
+- [Default Variables](#default-variables)
+  - [chrony_allow](#chrony_allow)
+  - [chrony_log](#chrony_log)
+  - [chrony_logdir](#chrony_logdir)
+  - [chrony_ntsdumpdir](#chrony_ntsdumpdir)
+  - [chrony_pool](#chrony_pool)
+  - [chrony_port](#chrony_port)
+  - [chrony_server](#chrony_server)
+- [Dependencies](#dependencies)
+
+---
+
+## Requirements
+
+- Minimum Ansible version: `2.1`
+
+
+## Default Variables
+
+### chrony_allow
+
+#### Default value
+
+```YAML
+chrony_allow: []
+```
+
+### chrony_log
+
+#### Default value
+
+```YAML
+chrony_log:
+  - measurements
+  - statistics
+  - tracking
+```
+
+### chrony_logdir
+
+#### Default value
+
+```YAML
+chrony_logdir: /var/log/chrony
+```
+
+### chrony_ntsdumpdir
+
+#### Default value
+
+```YAML
+chrony_ntsdumpdir: /var/lib/chrony
+```
+
+### chrony_pool
+
+#### Default value
+
+```YAML
+chrony_pool: 2.pool.ntp.org iburst
+```
+
+### chrony_port
+
+The port option can be set to 0 to make chrony daemon to never open any listening port
+for server operation and to operate strictly in a client-only mode.
+
+#### Default value
+
+```YAML
+chrony_port: 0
+```
+
+### chrony_server
+
+#### Default value
+
+```YAML
+chrony_server: []
+```
+
+
+
+## Dependencies
+
+None.