feat: add changelog

CHANGELOG.md

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+# Changelog
+
+
+## [Unreleased]
+
+### Added
+- Matching:
+  - Bag-of-words pair selection
+  - VLAD pair selection
+  - Words based matching
+
+### Changed
+- Local bundle adjustment is used by default
+- extract_metadata extracts exif only once
+- Changed default FLANN parameters for faster, less precise matching
+- Require cmake version 3 or later 
+
+### Improved
+- Faster local bundle adjustment by limiting the neighborhood and the number of iterations
+- New GCP file format allows for GCPs without known world coordinates
+
+
+## 0.2.0
+
+### Added
+- Python 3 support. @spease
+- Brown-Conrady camera model. @bdholt1 
+- reporting
+- docs on coordinates systems and incremental reconstruction pipeline. @jdjakub, @bryanibit 
+- export reconstruction in proj4 geographic coordinates
+
+### Improved
+- improved initialization for planar scenes
+- support for recent (1.65+) versions of boost python. @spease
+- fix bug when using GCP. @jhacsonmeza 
+- better navigation for 360 images. @mpetroff
+- use loky for better exception handling when using multi-processing. @pierotofy 
+
+
+## 0.1.0
+
+### Added
+- Add option `local_bundle_radius` to run bundle adjustment locally around the last added image
+- Add option`optimize_camera_parameters` to optimize or not the internal camera parameters
+- Add tools to split large datasets into multiple submodels and align them a posteriori
+
+### Changed
+- `run_all` command is now named `opensfm_run_all`
+- Features are now saved in the `features` folder. The feature type is no longer used to name the feature folder and files
+- The option `bundle_use_gps` is now `true` by default.
+- Update openMVS exporter with current master `Interface.h`
+
+### Improved
+- Speed up the search for candidate matching images
+- Open binary file in binary mode under Windows
+
+
+## 0.0.0
+
+Initial release.