refactor: Convert project from JavaScript to TypeScript

- Converted all .js files to .ts
- Added TypeScript configuration (tsconfig.json)
- Added ESLint and Prettier configuration
- Updated package.json dependencies
- Modified Docker and application configurations

Dockerfile

@@ -1,15 +1,45 @@
+# ---- Build Stage ----
+FROM node:23-alpine AS builder
+
+WORKDIR /app
+
+# Install pnpm and necessary build tools (if native modules are used)
+RUN apk add --no-cache python3 make g++ pnpm
+
+# Copy package manifests
+COPY package.json pnpm-lock.yaml ./
+
+# Install ALL dependencies (including devDependencies needed for build)
+RUN pnpm install --frozen-lockfile
+
+# Copy the rest of the source code
+COPY . .
+
+# Compile TypeScript
+RUN pnpm run build
+
+# Prune devDependencies after build (optional but good practice)
+RUN pnpm prune --prod
+
+
+# ---- Production Stage ----
 FROM node:23-alpine
 
 WORKDIR /app
 
-RUN apk add --no-cache python3 make g++ pnpm
-
-COPY package.json pnpm-lock.yaml ./
-
-RUN pnpm install --frozen-lockfile
-
-COPY . .
-
 ENV NODE_ENV=production
 
-CMD ["node", "src/index.js"]
+# Copy necessary files from the builder stage
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/package.json ./package.json
+# Copy other runtime necessities (adjust if needed)
+# COPY .env.example ./
+# COPY application.yml ./
+# COPY plugins ./plugins
+
+# Expose port if needed (though likely not for a Discord bot)
+# EXPOSE 3000
+
+# Run the compiled JavaScript application
+CMD ["node", "dist/index.js"]