feat: new UI using carbon design with theme support

feat: allow to add/remove multiple mbtiles per panel
fix: popup working in both panels

package.json

@@ -38,22 +38,6 @@
   "devDependencies": {
     "@commitlint/cli": "^16.2.1",
     "@commitlint/config-conventional": "^16.2.1",
-    "@smui-extra/autocomplete": "6.0.0-beta.15",
-    "@smui/checkbox": "6.0.0-beta.15",
-    "@smui/circular-progress": "6.0.0-beta.15",
-    "@smui/common": "6.0.0-beta.15",
-    "@smui/dialog": "^6.0.0-beta.13",
-    "@smui/drawer": "6.0.0-beta.15",
-    "@smui/form-field": "6.0.0-beta.15",
-    "@smui/icon-button": "6.0.0-beta.15",
-    "@smui/list": "6.0.0-beta.15",
-    "@smui/menu": "6.0.0-beta.15",
-    "@smui/menu-surface": "6.0.0-beta.15",
-    "@smui/radio": "6.0.0-beta.15",
-    "@smui/slider": "6.0.0-beta.15",
-    "@smui/snackbar": "6.0.0-beta.15",
-    "@smui/switch": "6.0.0-beta.15",
-    "@smui/textfield": "6.0.0-beta.15",
     "@sveltejs/vite-plugin-svelte": "1.0.0-next.36",
     "@tauri-apps/api": "1.0.0-rc.2",
     "@tauri-apps/cli": "1.0.0-rc.7",
@@ -65,6 +49,7 @@
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-svelte3": "^3.4.1",
+    "node-sass": "^7.0.1",
     "prettier": "^2.6.0",
     "prettier-plugin-svelte": "^2.6.0",
     "sass": "^1.49.9",
@@ -76,9 +61,13 @@
     "vite": "^2.8.6"
   },
   "dependencies": {
+    "@geoffcox/svelte-splitter": "^1.0.1",
     "@maplibre/maplibre-gl-compare": "^0.5.0",
     "@smui/fab": "^6.0.0-beta.13",
     "@smui/paper": "^6.0.0-beta.13",
+    "carbon-components": "^10.55.1",
+    "carbon-components-svelte": "^0.61.1",
+    "carbon-icons-svelte": "^10.45.1",
     "events": "^3.3.0",
     "mapbox-gl-controls": "^2.3.5",
     "maplibre-gl": "^2.1.1",