docs: add release notes

Author: woutslabbinck

RELEASE_NOTES.md

@@ -1,5 +1,21 @@
 # ODRL Evaluator
 
+## v0.5.0
+
+### New features
+
+- Support for the purpose constraint
+  - The purpose is added as a constraint using the `https://w3id.org/force/sotw#context`. Note that this is an intermediary step between current inputs and the future inputs of the ODRL Evaluator: https://w3id.org/force/sotw
+- Support for following set based operators
+  - `odrl:isAnyOf`
+  - `odrl:isA`
+  - `odrl:isNoneOf`
+
+### Fixes
+
+- Fix to the way Party and Asset collections are handled
+  - addressed in the rules (`src/rules/report.n3`) and the test suite (`test/integration/ODRL-Test-Suite.test.ts`)
+
 ## v0.4.0
 
 ### New features

TODO.md

@@ -28,7 +28,7 @@ Both created at: `test/ODRL-newTestCases.test.ts`
 - [x] Do a github release for version 0.4
 - [ ] fix [issue 3](https://github.com/SolidLabResearch/ODRL-Evaluator/issues/3) -> strange behaviour in action reports for compact rules
   - [ ] perhaps also test whether I can solve compact policies as well as that is just derivation
-- [ ] fix [issue 8](https://github.com/SolidLabResearch/ODRL-Evaluator/issues/8) -> collection
+- [x] fix [issue 8](https://github.com/SolidLabResearch/ODRL-Evaluator/issues/8) -> collection
 - [x] implement `odrl:anyOf`
 - [x] implement `odrl:isNoneOf`
 - [x] implement `odrl:anyOf`