chore: change build process to use local and server the same (#955)

* initital ide

* init

* it is alive

* go test is running

* wip with buildkit

* it definitly alive

* all done, now the github actions

* pretty

* before i delete the generated proto stub

* delete generated code

* mount of grpc does not yet work

* save before

* level of insanity 1000%

* huhur

* gh action new dockerfile

* fix

* fix

* fix

* fix

* amd64 only

* try caching

* try with reg

* test with artifact upload

* trial

* add comments

* publish branchname

* correct vars

* correct id

* mode max for cache

* remove unused code

* cleanup

* test action which uploads coverage

* use

* proper path

* debug file location

* path

* test if ci still works

* correct docker file name

CONTRIBUTING.md

@@ -2,6 +2,10 @@
 
 ## **Did you find a bug?**
 
+## **Want to contribute code?**
+
+* Check out our [Dev Build Guide](build/README.md).
+
 ## **Did you find a security flaw?**
 
 * Please read [Security Policy](SECURITY.md).