Upgrade node to 16.13 (#163)

* Updated base packages and regenerated package-lock

* Added babel plugin to eslint, cleaned up webpack config

* Version requirements for node/npm in README

* Readded compass and css, removed by mistake

* Fixed jest testing

* Fixing lint issues.

* Moved import to use webapp redux package

* Fixed final jest issue

* Modified packages and rebuild packagelock for node 16.14

* Add src and mattermost-redux alias

* Update README.md

Co-authored-by: Michael Kochell <6913320+mickmister@users.noreply.github.com>

* Adding nvm and removing the default type from the package

* Delete root package-lock.json

* Pinned to webapp v7, rebuild package log

* fixed imports with TS

* change tsconfig location pointer

* updates for vscode-eslint to work with tsconfig subpath

* don't import webapp for tests

* remove "v" from .nvmrc

---------

Co-authored-by: Michael Kochell <6913320+mickmister@users.noreply.github.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

README.md

@@ -4,6 +4,8 @@ This plugin serves as a starting point for writing a Mattermost plugin. Feel fre
 
 To learn more about plugins, see [our plugin documentation](https://developers.mattermost.com/extend/plugins/).
 
+This template requires node v16 and npm v8. You can download and install nvm to manage your node versions by following the instructions [here](https://github.com/nvm-sh/nvm). Once you've setup the project simply run `nvm i` within the root folder to use the suggested version of node.
+
 ## Getting Started
 Use GitHub's template feature to make a copy of this repository by clicking the "Use this template" button.