Added Bootstrap and Vue I18N; added header and footer components; added language switcher

package.json

@@ -18,8 +18,11 @@
     "format": "prettier --write --experimental-cli src/"
   },
   "dependencies": {
+    "bootstrap": "^5.3.8",
+    "bootstrap-vue-next": "^0.42.0",
     "pinia": "^3.0.4",
     "vue": "^3.5.26",
+    "vue-i18n": "^11.2.8",
     "vue-router": "^4.6.4"
   },
   "devDependencies": {