Add link to ansible docs page for this collection (#114)

* Add link to ansible docs page for this collection.

* Also mention docs from README.

README.md

@@ -1,9 +1,12 @@
 # Ansible Community Crypto Collection
+
 [![Shippable build status](https://api.shippable.com/projects/5e66776ca27f990007073a42/badge?branch=main)](https://app.shippable.com/projects/5e66776ca27f990007073a42)
 [![Codecov](https://img.shields.io/codecov/c/github/ansible-collections/community.crypto)](https://codecov.io/gh/ansible-collections/community.crypto)
 
 Provides modules for [Ansible](https://www.ansible.com/community) for various cryptographic operations.
 
+You can find [documentation for this collection on the Ansible docs site](https://docs.ansible.com/ansible/latest/collections/community/crypto/).
+
 ## Tested with Ansible
 
 Tested with both the current Ansible 2.9 and 2.10 releases and the current development version of Ansible. Ansible versions before 2.9.10 are not supported.
@@ -48,6 +51,8 @@ Most modules require a recent enough version of [the Python cryptography library
   - get_certificate
   - luks_device
 
+You can also find a list of all modules with documentation on the [Ansible docs site](https://docs.ansible.com/ansible/latest/collections/community/crypto/).
+
 ## Using this collection
 
 Before using the crypto community collection, you need to install the collection with the `ansible-galaxy` CLI:

galaxy.yml

@@ -21,7 +21,7 @@ tags:
   - openssh
   - pkcs12
 repository: https://github.com/ansible-collections/community.crypto
-#documentation: https://github.com/ansible-collection-migration/community.crypto/tree/main/docs
+documentation: https://docs.ansible.com/ansible/latest/collections/community/crypto/
 homepage: https://github.com/ansible-collections/community.crypto
 issues: https://github.com/ansible-collections/community.crypto/issues
 build_ignore: