fix: Docker build (legacy-peer-deps for @emoji-mart/react x React 19)

.npmrc

@@ -0,0 +1 @@
+legacy-peer-deps=true

Dockerfile

@@ -1,7 +1,7 @@
 FROM node:22-alpine AS builder
 
 WORKDIR /app
-COPY package*.json ./
+COPY package*.json .npmrc ./
 RUN npm ci
 COPY . .
 RUN mkdir -p /app/data && npm run build