bootstrap 5 WIP (#7891)

New standard theme that follows your chosen terminal colors, Bootstrap 5 & Angular 15 upgrade

tabby-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "tabby-core",
-  "version": "1.0.189-nightly.2",
+  "version": "1.0.189-nightly.0",
   "description": "Tabby core",
   "keywords": [
     "tabby-builtin-plugin"
@@ -17,15 +17,13 @@
   "author": "Eugene Pankov",
   "license": "MIT",
   "devDependencies": {
-    "@ngx-translate/core": "^14.0.0",
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^5.3.0-alpha.1",
+    "color": "^4.2.3",
     "deepmerge": "^4.1.1",
     "fuzzy-search": "^3.2.1",
     "js-yaml": "^4.0.0",
     "messageformat": "^2.3.0",
     "mixpanel": "^0.17.0",
-    "ngx-filesize": "^2.0.16",
-    "ngx-perfect-scrollbar": "^10.1.0",
     "ngx-translate-messageformat-compiler": "^4.11.0",
     "readable-stream": "4.2.0",
     "uuid": "^9.0.0"