Merge ui and ui_next in one dir

Merge ui and ui_next in one dir

See: https://github.com/ansible/awx/issues/10676

Update django .po files

Update django .po files

Run `awx-manage makemessages`.

awx/ui/Dockerfile

@@ -0,0 +1,16 @@
+FROM node:14
+ARG NPMRC_FILE=.npmrc
+ENV NPMRC_FILE=${NPMRC_FILE}
+ARG TARGET='https://awx:8043'
+ENV TARGET=${TARGET}
+ENV CI=true
+WORKDIR /ui
+ADD public public
+ADD package.json package.json
+ADD package-lock.json package-lock.json
+ADD .linguirc .linguirc
+COPY ${NPMRC_FILE} .npmrc
+RUN npm install
+ADD src src
+EXPOSE 3001
+CMD [ "npm", "start" ]