Changelog added

CHANGELOG.md

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+# Changelog
+
+## v1.1.2
+
+### Features
+
+* **Assets**: OData support, except full text search (`$search`)
+* **Rules**: Slack action
+* **Rules**: Algolia action
+
+### Bugixes
+
+* **Rules**: Color corrections for actions. 
+
+### Breaking Changes
+
+* Asset structure has changed: Migration will update the ocllection automatically.
+* Asset endpoint:
+    * `take` query parameter renamed to `$top`  for OData compatibility.
+    * `skip` query parameter renamed to `$skip` for OData compatibility.
+    * `query` query parameter replaced with OData. Use `$query=contains(fileName, 'MyQuery')` instead.