chore: add prettier (1/3): add packages, configurations, fix lint issues (#6382)

* fix: remove redundant eslint rules

* chore: bump `prettier` to v2.8.7

* docs: vue files to use html comments for licenses

- Prettier's Vue parser freaks out if it sees a *.js style comment in a *.vue file.

* docs: more licenses for vue files

* fix: don't ignore *.vue files

* fix: use defaults for tabWidth and printWidth

* simplify .prettierignore

* enforce a printWidth of 100

* fix: use `eslint-plugin-prettier`, remove conflicting rules

* test: fix gauge tests (for real)

* test: fix notebook test selectors

* test: fix restrictedNotebook test selectors

* test: remove useless assignment

* lint: __dirname as global

* lint: revert eslint config + whitespace changes, commit new config

* style: remove unnecessary string concat of literals

* test: fix missed gauge test

* fix: use new eslint rules

* feat: add blank `.git-blame-ignore-revs` file

* docs: update to mention Prettier and format.

* Revert "test: fix gauge tests (for real)"

This reverts commit 6afad450389edc2f16ff0d00c9524621a7ba53bc.

* Revert "test: fix notebook test selectors"

This reverts commit 17fe1cbbff02e9298f041b5ea0fea5494fe54d94.

* Revert "test: fix restrictedNotebook test selectors"

This reverts commit 97e0ede826b7dd61c5443845443d806a56f3f305.

* Revert "test: fix missed gauge test"

This reverts commit e2398fc38ca94beff2066cc253173412ad47f8b9.

* test: fix gauge tests (no formatting)

* test: update notebook e2e selectors (no formatting)

* test: update restrictedNotebook e2e selectors (no formatting)

* fix: temporarily disable lint check

src/plugins/timeConductor/ConductorInputsFixed.vue

@@ -1,3 +1,24 @@
+<!--
+ Open MCT, Copyright (c) 2014-2023, United States Government
+ as represented by the Administrator of the National Aeronautics and Space
+ Administration. All rights reserved.
+
+ Open MCT is licensed under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ License for the specific language governing permissions and limitations
+ under the License.
+
+ Open MCT includes source code licensed under additional open source
+ licenses. See the Open Source Licenses file (LICENSES.md) included with
+ this source code distribution or the Licensing information page available
+ at runtime from the About dialog for additional information.
+-->
 <template>
 <form
     ref="fixedDeltaInput"