Update docs (ansible-collections#99)

* Update docs

Remove .git from repo url so links in readme will generate correctly
Add required ansible version
Run latest version of add_docs.py
Add version_added string to modules

* galaxy.yml was missing authors

Author: jillr

plugins/modules/ec2_instance.py

@@ -9,6 +9,7 @@
 DOCUMENTATION = '''
 ---
 module: ec2_instance
+version_added: 1.0.0
 short_description: Create & manage EC2 instances
 description:
   - Create and manage AWS EC2 instances.

plugins/modules/ec2_instance_info.py

@@ -9,6 +9,7 @@
 DOCUMENTATION = '''
 ---
 module: ec2_instance_info
+version_added: 1.0.0
 short_description: Gather information about ec2 instances in AWS
 description:
     - Gather information about ec2 instances in AWS