Added change entry for medias

Author: panglesd

CHANGES.md

@@ -28,6 +28,8 @@
 - Allow referencing assets (@panglesd, #1171)
 - Added a `--asset-path` arg to `html-generate` (@panglesd, #1185)
 - Add a frontmatter syntax for mld pages (@panglesd, #1187)
+- Added an `html-generate-asset` command (@panglesd, #1185)
+- Added syntax for images, videos, audio (@panglesd, #1184)
 
 ### Changed