Update CHANGELOG for v0.2.0

Author: alessandratrapani

CHANGELOG.md

@@ -1 +1,28 @@
-# Changelog for ndx-microscopy
+## v0.2.0 (Upcoming)
+
+### Added
+
+- New illumination pattern classes to represent different microscopy scanning methods:
+  - `IlluminationPattern`: Base class for describing the illumination pattern used to acquire images
+  - `LineScan`: Line scanning method commonly used in two-photon microscopy
+  - `PlaneAcquisition`: Whole plane acquisition method, common for light sheet and one-photon techniques
+  - `RandomAccessScan`: Random access method for targeted, high-speed imaging of specific regions
+
+- Added `technique` attribute to the `Microscope` class to describe the imaging technique used
+
+- Updated `ImagingSpace` classes to include an `illumination_pattern` parameter, creating a direct link between the imaging space and the acquisition method
+
+- Added mock implementations for all new classes in `_mock.py` for testing purposes
+
+- Updated example notebooks to demonstrate the use of different scanning methods
+
+### Changed
+
+- Modified the YAML specification to include new neurodata type definitions and relationships
+- Updated Python implementation files to expose the new classes in the API
+- Enhanced test files to verify the new classes work correctly
+
+### Notes
+
+- These changes are backward compatible and add new functionality without removing existing features
+- The `illumination_pattern` parameter is now required when creating `ImagingSpace` objects