feat(FeedPostImage): include aspect_ratio field in FeedPostImage

feed_posts/enums.py

feed_posts/migrations/0016_feedpostimage_aspect_ratio.py

feed_posts/models.py

feed_posts/repositories.py

feed_posts/schema/types.py

feed_posts/serializers.py

feed_posts/tests/helpers.py

feed_posts/tests/test_graphql.py