add release notes for .file_type attr
MODIFY
docs/development/release_notes.md
docs/development/release_notes.md
# Release Notes
+## v0.8.3 -
+
+- Added `.file_type` attribute to {class}`pangeo_forge_recipes.patterns.FilePattern`. This attribute will eventually supercede
+`.is_opendap`, which will be deprecated in `0.9.0`. Until then, `FilePattern(..., is_opendap=True)` is supported as equivalent
+to `FilePattern(..., file_type="opendap")`. {pull}`322`
+
## v0.8.2 - 2022-02-23
- Removed click from dependencies and removed cli entrypoint.

add release notes for .file_type attr