chore(CI): run build procedure for PR.

.drone.yml

@@ -8,6 +8,9 @@ steps:
     commands:
       - (cd web && npm install && npm run build)
       - (cd templates/ && ./translate.py)
+    when:
+      event:
+        - push
 
   - name: deploy-testing
     image: debian
@@ -94,10 +97,10 @@ steps:
       - (cd lang/ && ./sync_translation.py --client $TRADUORA_R_CLIENT --secret $TRADUORA_R_SECRET --fetch)
       - git add lang/* && git status
       - git config --global user.email "github@azlux.fr" && git config --global user.name "azlux"
-      - git commit -a -m 'Bot: update strings'
+      - "git commit -a -m 'Bot: update strings'"
       - git remote set-url origin https://azlux:$GITHUB_API@github.com/azlux/botamusique/
       - git push --set-upstream origin new-translations && git push
-      - GITHUB_USER="azlux" GITHUB_TOKEN="$GITHUB_API"  hub pull-request -m "Bot: TRADUORA Update"
+      - "GITHUB_USER=\"azlux\" GITHUB_TOKEN=\"$GITHUB_API\"  hub pull-request -m \"Bot: TRADUORA Update\""
     when:
       event:
         - cron