Add changelog (#28)

Add changelog of develops so far including those since last tagged commit (`v0.1.0`)

CHANGELOG.md

@@ -0,0 +1,51 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [unreleased](https://github.com/joeloskarsson/neural-lam/compare/v0.1.0...HEAD)
+
+### Added
+
+- new metrics (`nll` and `crps_gauss`) and `metrics` submodule, stddiv output option
+  [c14b6b4](https://github.com/joeloskarsson/neural-lam/commit/c14b6b4323e6b56f1f18632b6ca8b0d65c3ce36a)
+  @joeloskarsson
+
+- ability to "watch" metrics and log
+  [c14b6b4](https://github.com/joeloskarsson/neural-lam/commit/c14b6b4323e6b56f1f18632b6ca8b0d65c3ce36a)
+  @joeloskarsson
+
+- pre-commit setup for linting and formatting
+  [\#6](https://github.com/joeloskarsson/neural-lam/pull/6), [\#8](https://github.com/joeloskarsson/neural-lam/pull/8)
+  @sadamov, @joeloskarsson
+
+### Changed
+
+- moved batch-static features ("water cover") into forcing component return by `WeatherDataset`
+  [\#13](https://github.com/joeloskarsson/neural-lam/pull/13)
+  @joeloskarsson
+
+- change validation metric from `mae` to `rmse`
+  [c14b6b4](https://github.com/joeloskarsson/neural-lam/commit/c14b6b4323e6b56f1f18632b6ca8b0d65c3ce36a)
+  @joeloskarsson
+
+- change RMSE definition to compute sqrt after all averaging
+  [\#10](https://github.com/joeloskarsson/neural-lam/pull/10)
+  @joeloskarsson
+
+### Removed
+
+- `WeatherDataset(torch.Dataset)` no longer returns "batch-static" component of
+  training item (only `prev_state`, `target_state` and `forcing`), the batch static features are
+  instead included in forcing
+  [\#13](https://github.com/joeloskarsson/neural-lam/pull/13)
+  @joeloskarsson
+
+
+## [v0.1.0](https://github.com/joeloskarsson/neural-lam/releases/tag/v0.1.0)
+
+First tagged release of `neural-lam`, matching Oskarsson et al 2023 publication
+(https://arxiv.org/abs/2309.17370)