devcontainer, proper CI/CD, etc etc

.devcontainer/devcontainer.json

@@ -0,0 +1,40 @@
+{
+  "name": "Armandine",
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:1-22-bookworm",
+  "features": {
+    "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {}
+  },
+  "postCreateCommand": "corepack enable && corepack prepare pnpm@9.15.0 --activate && pnpm install",
+  "forwardPorts": [3000, 80],
+  "portsAttributes": {
+    "3000": {
+      "label": "Static site (pnpm serve)",
+      "onAutoForward": "notify"
+    },
+    "80": {
+      "label": "Nginx (when running container)",
+      "onAutoForward": "silent"
+    }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "dbaeumer.vscode-eslint",
+        "esbenp.prettier-vscode",
+        "stylelint.vscode-stylelint"
+      ],
+      "settings": {
+        "editor.formatOnSave": true,
+        "editor.defaultFormatter": "esbenp.prettier-vscode",
+        "[css]": { "editor.defaultFormatter": "esbenp.prettier-vscode" },
+        "[javascript]": { "editor.defaultFormatter": "esbenp.prettier-vscode" },
+        "[html]": { "editor.defaultFormatter": "esbenp.prettier-vscode" },
+        "editor.codeActionsOnSave": {
+          "source.fixAll.eslint": "explicit",
+          "source.fixAll.stylelint": "explicit"
+        }
+      }
+    }
+  },
+  "remoteUser": "node"
+}