Bootstrapped api version mismatch middleware

refs https://github.com/TryGhost/Toolbox/issues/292

- Fresh package out of Super Slimer and removed outdated patters, like using "should"

ghost/mw-api-version-mismatch/.eslintrc.js

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+module.exports = {
+    plugins: ['ghost'],
+    extends: [
+        'plugin:ghost/node'
+    ]
+};

ghost/mw-api-version-mismatch/LICENSE

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+MIT License
+
+Copyright (c) 2013-2022 Ghost Foundation
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

ghost/mw-api-version-mismatch/README.md

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+# Mw Api Version Mismatch
+
+Middleware handling mismatched Accept-Version header
+
+## Install
+
+`npm install @tryghost/mw-api-version-mismatch --save`
+
+or
+
+`yarn add @tryghost/mw-api-version-mismatch`
+
+
+## Usage
+
+
+## Develop
+
+This is a mono repository, managed with [lerna](https://lernajs.io/).
+
+Follow the instructions for the top-level repo.
+1. `git clone` this repo & `cd` into it as usual
+2. Run `yarn` to install top-level dependencies.
+
+
+## Run
+
+- `yarn dev`
+
+
+## Test
+
+- `yarn lint` run just eslint
+- `yarn test` run lint and tests
+
+
+
+
+# Copyright & License 
+
+Copyright (c) 2013-2022 Ghost Foundation - Released under the [MIT license](LICENSE).

ghost/mw-api-version-mismatch/index.js

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+module.exports = require('./lib/mw-api-version-mismatch');

ghost/mw-api-version-mismatch/package.json

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+{
+  "name": "@tryghost/mw-api-version-mismatch",
+  "version": "0.0.0",
+  "repository": "https://github.com/TryGhost/Utils/tree/main/packages/mw-api-version-mismatch",
+  "author": "Ghost Foundation",
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": {
+    "dev": "echo \"Implement me!\"",
+    "test": "NODE_ENV=testing c8 --all --check-coverage --reporter text --reporter cobertura mocha './test/**/*.test.js'",
+    "lint:code": "eslint *.js lib/ --ext .js --cache",
+    "lint": "yarn lint:code && yarn lint:test",
+    "lint:test": "eslint -c test/.eslintrc.js test/ --ext .js --cache",
+    "posttest": "yarn lint"
+  },
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "c8": "7.11.0",
+    "mocha": "9.2.2",
+    "sinon": "13.0.2"
+  },
+  "dependencies": {}
+}

ghost/mw-api-version-mismatch/test/.eslintrc.js

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+module.exports = {
+    plugins: ['ghost'],
+    extends: [
+        'plugin:ghost/test'
+    ]
+};

ghost/mw-api-version-mismatch/test/hello.test.js

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+const assert = require('assert');
+
+describe('Hello world', function () {
+    it('Runs a test', function () {
+        // TODO: Write me!
+        assert.equal('hello', 'hello');
+    });
+});