fix build settings for slackbot-proxy

apps/slackbot-proxy/package.json

@@ -7,8 +7,8 @@
     "clean": "shx rm -rf dist",
     "cp:public": "cp -RT ./src/public ./dist/public",
     "cp:views": "cp -RT ./src/views ./dist/views",
-    "cp:bootstrap": "cp -RT ./node_modules/bootstrap/dist ./dist/public/bootstrap",
-    "cp:bootstrap:dev": "cp -RT ./node_modules/bootstrap/dist ./src/public/bootstrap",
+    "cp:bootstrap": "cp -RT ../../node_modules/bootstrap/dist ./dist/public/bootstrap",
+    "cp:bootstrap:dev": "cp -RT ../../node_modules/bootstrap/dist ./src/public/bootstrap",
     "tsc": "tsc -p tsconfig.build.json",
     "tsc:w": "yarn tsc -w",
     "dev:ci": "yarn dev --ci",