Move package.json & yarn.lock from api

Dockerfile

@@ -2,7 +2,7 @@ FROM node:20-alpine
 
 WORKDIR /pma
 
-COPY --chown=node:node ./api/package.json ./api/yarn.lock /pma/
+COPY --chown=node:node ./package.json ./yarn.lock /pma/
 COPY --chown=node:node ./client/package.json ./client/yarn.lock /client/
 
 WORKDIR /client