devcontainer, proper CI/CD, etc etc

Dockerfile

@@ -0,0 +1,10 @@
+# Armandine gallery – static site served by Nginx
+FROM nginx:alpine
+
+# Copy static site into default Nginx docroot
+COPY src/ /usr/share/nginx/html/
+
+# Optional: custom nginx config could be COPY'd here
+# COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80