update release notes (#21)

Author: vpchung

docs/changelog/release-notes.md

@@ -1,27 +1,27 @@
 ## In development
 
 ### Features
-* CLI
-      * Annotate submission: `submission annotate`
-      * Download submission: `submission pull`
-      * Delete one or more submissions: `submission delete`
-      * Get information about submission: `submission info`
-      * Update submission status: `submission change-status`
+- Add new CLI command: `cnb-tools challenge SUBCOMMAND`
 
-* Package
-      * New class: `Submission`
+## 0.2.0
+
+### Features
+- Add new CLI command: `cnb-tools submission SUBCOMMAND` ([#14](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/14), [#19](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/19))
 
 ### Docs
-- add [Termynal plug-in](https://github.com/mkdocs-plugins/termynal)
-- mention using a Python environment before installing
+- Add Termynal plug-in ([#10](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/10))
+
+### Internal
+- Dependency version bump ([#18](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/18))
+- General CI workflow updates ([#11](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/11), [#13](https://github.com/Sage-Bionetworks-Challenges/cnb-tools/pull/13))
 
 ## 0.1.1
 
-* Add Dockerfile for GH package.
-* Add CI workflow to deploy image on ghcr.io.
+- Add Dockerfile for GH package.
+- Add CI workflow to deploy image on ghcr.io.
 
 ## 0.1.0
 
-* First commit. Prepare for PyPI publishing.
-* Add initial version of code, docs, etc.
-* Add CI workflows and templates.
+- First commit. Prepare for PyPI publishing.
+- Add initial version of code, docs, etc.
+- Add CI workflows and templates.