add a changelog to track changes to the public API
add a changelog to track changes to the public API

jpfr/open62541,jpfr/open62541,JGrothoff/open62541,StalderT/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,open62541/open62541,jpfr/open62541,JGrothoff/open62541,StalderT/open62541,StalderT/open62541,open62541/open62541,open62541/open62541,JGrothoff/open62541,JGrothoff/open62541