[PIE-1] Initialise Project (!2)

Init Svelte project, Pocketbase backend, API connection, and mostly Dockerised
Co-authored-by: june <self@breadone.net>
Co-committed-by: june <self@breadone.net>

Dockerfile

@@ -0,0 +1,9 @@
+FROM node:24-alpine
+WORKDIR /app
+COPY package*.json ./
+RUN npm i
+COPY . .
+RUN npm run build
+
+EXPOSE 4173
+CMD ["npm", "run", "preview", "--", "--host"]