yamllint cleanup/configuration (ansible-collections#1932)

yamllint cleanup/configuration

SUMMARY
Some minor yamllint cleanup, and configuration.  (Doesn't touch integration tests yet...)
ISSUE TYPE

Feature Pull Request

COMPONENT NAME
.yamllint
changelogs/config.yaml
meta/runtime.yml
ADDITIONAL INFORMATION

Reviewed-by: Alina Buzachis

.yamllint

@@ -0,0 +1,15 @@
+---
+rules:
+  indentation:
+    ignore: &default_ignores |
+      # automatically generated, we can't control it
+      changelogs/changelog.yaml
+      # Will be gone when we release and automatically reformatted
+      changelogs/fragments/*
+  document-start:
+    ignore: *default_ignores
+  line-length:
+    ignore: *default_ignores
+    max: 160
+
+ignore-from-file: .gitignore

changelogs/config.yaml

@@ -1,3 +1,4 @@
+---
 changelog_filename_template: ../CHANGELOG.rst
 changelog_filename_version_depth: 0
 changes_file: changelog.yaml
@@ -9,21 +10,21 @@ notesdir: fragments
 prelude_section_name: release_summary
 prelude_section_title: Release Summary
 sections:
-- - major_changes
-  - Major Changes
-- - minor_changes
-  - Minor Changes
-- - breaking_changes
-  - Breaking Changes / Porting Guide
-- - deprecated_features
-  - Deprecated Features
-- - removed_features
-  - Removed Features (previously deprecated)
-- - security_fixes
-  - Security Fixes
-- - bugfixes
-  - Bugfixes
-- - known_issues
-  - Known Issues
+  - - major_changes
+    - Major Changes
+  - - minor_changes
+    - Minor Changes
+  - - breaking_changes
+    - Breaking Changes / Porting Guide
+  - - deprecated_features
+    - Deprecated Features
+  - - removed_features
+    - Removed Features (previously deprecated)
+  - - security_fixes
+    - Security Fixes
+  - - bugfixes
+    - Bugfixes
+  - - known_issues
+    - Known Issues
 title: community.aws
 trivial_section_name: trivial