update bootstrap to version 5 (#158)

* chore: update bootstrap to version 5

* chore: fix lint

* merge master

* update components to use bootstrap 5

xclap.ts

@@ -82,11 +82,11 @@ load({
   'clean:webpack': exec('rimraf dist'),
   dev: ['clean', 'postinstall', concurrent('watch', 'web-ext:run:firefox', 'web-ext:run:chrome')],
   eslint: exec('eslint src . --fix'),
-  less: exec('lessc assets/less/app.less public/css/app.css'),
   lint: ['prettier', 'eslint'],
-  postinstall: ['clean', makePublicFolder, copyFromNodeModules, 'less'],
+  postinstall: ['clean', makePublicFolder, copyFromNodeModules, 'sass'],
   prettier: [exec('prettier --write .')],
   'remotedev-server': exec('remotedev --hostname=localhost --port=8000'),
+  sass: exec('node-sass assets/sass/app.scss public/css/app.css'),
   test: ['build', 'lint', 'test-jest'],
   'test-jest': [exec('jest --clearCache'), exec('jest --verbose --coverage')],
   watch: concurrent('watch-jest', 'webpack:watch'),