Converted main codebase to typescript

Signed-off-by: Taken <taken@mairimashita.org>

Dockerfile

@@ -3,12 +3,11 @@ FROM node-cache as cache
 FROM node:20.9.0-alpine3.18
 
 COPY --from=cache /node_modules /app/node_modules
-COPY package.json /app
-COPY yarn.lock /app
 COPY . /app
 
 WORKDIR /app
 
-RUN yarn install
+RUN yarn global add typescript
+RUN yarn build
 
-CMD ["node", "src/index.js"]
+CMD [ "yarn", "start" ]