Add Earthfile and update version

Earthfile

@@ -0,0 +1,26 @@
+VERSION 0.7
+
+docker-multi:
+   BUILD --platform linux/amd64 --platform linux/arm64 +docker
+
+build:
+   FROM node:lts
+   WORKDIR /build
+   COPY . .
+   RUN npm config set registry https://npm.hibas123.de
+   RUN npm install
+   RUN npm run build
+   SAVE ARTIFACT dist secure_notes_files
+
+docker:
+   FROM busybox:1.36
+   WORKDIR /app
+
+   COPY --platform=linux/amd64 +build/secure_notes_files /app/
+
+
+   CMD ["busybox", "httpd", "-f", "-v", "-p", "3001", "-h", "/app"]
+
+   ARG EARTHLY_TARGET_TAG
+   ARG TAG=$EARTHLY_TARGET_TAG
+   SAVE IMAGE --push git.hibas.dev/openserver/secure_notes:$TAG