changelog update

Author: odscrachel

docs/about/changelog.md

@@ -17,6 +17,12 @@ This page lists changes to the Risk Data Library Standard.
 - [#396](https://github.com/GFDRR/rdl-standard/pull/396)
   - `Entity`: Require any of `.email`, `.url`.
   - `Event.ocurrence`: Require any of `.probabilistic`, `.empirical`, `.deterministic`.
+- [#404](https://github.com/GFDRR/rdl-standard/pull/404)
+  - Add `Climate` object to `$defs` with fields for `model`, `scenario` and `percentile`
+  - Add `climate` to `Resource`
+  - Add `baseline_period` to `Resource`
+  - Add `central_year` to `Period`
+  
 
 ### Codelists
 
@@ -26,6 +32,7 @@ This page lists changes to the Risk Data Library Standard.
 - [#384](https://github.com/GFDRR/rdl-standard/pull/384) - Rename non-unique 'loss_ratio' codes in `impact_metric.csv`.
 - [#370](https://github.com/GFDRR/rdl-standard/pull/370) - 'IMT.csv' Expanded list and updated structure.
 - [#373](https://github.com/GFDRR/rdl-standard/pull/373) - 'license.csv' Expanded list and updated structure.
+- [#404](https://github.com/GFDRR/rdl-standard/pull/404) - Add `climate_scenario.csv` as closed codelist.
 
 ### Normative documentation