Add e2e tests (#84)

* add basic e2e tests

* add e2e to ci

* fix docker pull

* fix images in ci

* maybe this will help

* push latest on main for e2e

* fix e2e on main

* rename jobs

frontend/Dockerfile

@@ -12,5 +12,7 @@ RUN yarn build
 
 FROM nginx:1.29.7-alpine3.23 AS proxy
 
+LABEL org.opencontainers.image.source = "https://github.com/morbalint/kemkas"
+
 COPY --from=builder "/src/dist" "/usr/share/nginx/html"
 COPY ./nginx.conf /etc/nginx/nginx.conf