v0.5.0

Tag processor poc (#94)

* savegame

* Savegame

* all tests passing

* fix: readme

* fix: go mod tidy

* fix: doker build

* fix: all tests

* fix: coderabbit

* fix: refactor for better readability

* savegame

* fix: tests are running (but not working)

* 4 test passing

* fix: all tests passing

* feat: added outlook with umh.getTagFromFullTagName

* feat: renamed folder to virtualPath

* docs

* defiend targetstate for returning multiple msgs

* defined target state

* mroe future outlook towards returning multiple messages

* fix: adjusted test cases

* README

* fix tests

* test still passing

* all test passing

* feat: multiple message returns

* upcomign statement

* fixed return type

* removed debug

* fix: updated README

* added ci/cd

* fix: removed debiug

* removed debug

* removed debug

* fix: opc ua error (potentially)

* added benchmark

* added option for json in payload

* adjsuted README and test cases

* all tests passing

* feat: better readability of the code and structure in tag browser

* fix readme

* final stuff

* fix: Docker build

* fix: coderabbit

* fix: attr