feat: extract groombook/web from monorepo

- Copy apps/web/ with all src, components, pages, portal
- Inline packages/types/ as local packages/types module
- Add tsconfig path aliases for @groombook/types
- Port Dockerfile and CI workflow
- Image name: ghcr.io/groombook/web

Co-Authored-By: Paperclip <noreply@paperclip.ing>

src/index.css

@@ -0,0 +1,84 @@
+@import "tailwindcss";
+
+:root {
+  --color-primary: #4f8a6f;
+  --color-primary-dark: color-mix(in srgb, var(--color-primary) 80%, #000);
+  --color-accent: #8b7355;
+  --color-accent-hover: color-mix(in srgb, var(--color-accent) 88%, #000);
+  --color-accent-dark: color-mix(in srgb, var(--color-accent) 78%, #000);
+  --color-accent-light: color-mix(in srgb, var(--color-accent) 18%, #fff);
+  --color-accent-lighter: color-mix(in srgb, var(--color-accent) 9%, #fff);
+}
+
+*, *::before, *::after {
+  box-sizing: border-box;
+}
+
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
+  font-size: 16px;
+  line-height: 1.5;
+  color: #1a202c;
+  background: #f0f2f5;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  color: var(--color-primary);
+  text-decoration: none;
+}
+
+a:hover {
+  text-decoration: underline;
+}
+
+h1 {
+  font-size: 1.5rem;
+  margin-top: 0;
+  letter-spacing: -0.01em;
+}
+
+h2, h3, h4 {
+  letter-spacing: -0.01em;
+}
+
+/* ─── Admin button polish ─── */
+button {
+  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
+}
+
+button:active:not(:disabled) {
+  transform: translateY(0.5px);
+}
+
+/* ─── Admin input / select focus states ─── */
+input:focus, select:focus, textarea:focus {
+  outline: none;
+  border-color: var(--color-primary);
+  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 12%, transparent);
+}
+
+/* ─── Admin card-like containers (borders get subtle shadow) ─── */
+[style*="border: 1px solid"] {
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
+}
+
+/* ─── Scrollbar polish ─── */
+::-webkit-scrollbar {
+  width: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+  background: #cbd5e1;
+  border-radius: 3px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: #94a3b8;
+}