refactor: align codebase with EventCrew domain and trim legacy band stack

- Update API: events, users, policies, routes, resources, migrations
- Remove deprecated models/resources (customers, setlists, invitations, etc.)
- Refresh admin app and docs; remove apps/band

Made-with: Cursor

apps/portal/dev.Dockerfile

@@ -0,0 +1,25 @@
+FROM node:lts
+
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+COPY . .
+
+RUN \
+  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm i; \
+  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i; \
+  # Allow install without lockfile, so example works even without Node.js installed locally
+  else echo "Warning: Lockfile not found. It is recommended to commit lockfiles to version control." && yarn install; \
+  fi
+
+# Note: Don't expose ports here, Compose will handle that for us
+
+# Start vue.js in development mode based on the preferred package manager
+CMD \
+  if [ -f yarn.lock ]; then yarn dev --host; \
+  elif [ -f package-lock.json ]; then npm run dev -- --host; \
+  elif [ -f pnpm-lock.yaml ]; then pnpm dev --host; \
+  else yarn dev --host; \
+  fi