add Changelog

CHANGELOG.md

+<!-- Template: -->
+<!-- ### Features -->
+<!--  -->
+<!-- ### API -->
+<!--  -->
+<!-- ### Enhancements -->
+<!--  -->
+<!-- ### Bugfixes -->
+<!--  -->
+<!-- ### OpenID Provider -->
+<!--  -->
+<!-- ### Dependencies -->
+<!--  -->
+
+## mytoken 0.3.0
+### Features
+- Changes to the mytoken
+  - Added a version to the mytoken token
+  - Added token type 'mytoken'
+  - Now using a hash value as the subject
+- Added Dockerfiles; mytoken can easily run with swarm
+- Added OIDC-compatibility for requesting ATs
+  - ATs can be requested using the mytoken as the refresh token in a OIDC refresh flow
+- Deployment Configuration
+  - Added option to set maximum lifetime of mytokens
+  - Added option to disable restriction keys 
+  - Made request limits configurable
+- Changed setup db to new db migration tool
+- Added support for token rotation, incl. optional auto revocation
+- Added option to set maximum token length when requesting a mytoken
+
+### Webinterface
+- Added option to create mytoken in the web interface
+- Reworked consent screen
+- Improvements
+
+### Enhancements
+- Using better cryptographic functions
+- Set cookie as secure if issuer uses https, indepent of a potential proxy
+- Improved packaging
+- Improved code base
+- Improved error tracebility
+
+### Bugfixes
+- Fixed bugs in the webinterface
+- Fixed other bugs
+
+### OIDC
+- Add PKCE support
+
+### Dependencies
+- Bumped several dependencies
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