Add explicit login/logout flows and browser selection

Dockerfile

@@ -0,0 +1,23 @@
+FROM node:24-alpine AS package
+
+WORKDIR /package
+
+COPY package.json ./
+COPY src ./src
+COPY README.md LICENSE ./
+
+RUN npm pack --silent
+
+
+FROM node:24-alpine
+
+WORKDIR /work
+
+COPY --from=package /package/*.tgz /tmp/sk-az-tools.tgz
+
+RUN npm install --global /tmp/sk-az-tools.tgz \
+  && rm /tmp/sk-az-tools.tgz \
+  && npm cache clean --force
+
+ENTRYPOINT ["sk-az-tools"]
+CMD ["--help"]