Node 16 branch

[solderq35]

Referencing this issue: #188

Tested on Node v16.15.1

EDIT: Full steps to avoid errors (at least for me):

• delete package-lock.json
• delete node_modules folder
• run npm i --legacy-peer-deps
• run npm run serve

Main changes: Switched from node-sass to Sass.

Note: While installing node modules, Sass module may throw out some warnings regarding other modules, e.g. twbs/bootstrap#34051

This build will not work on Node 17 and higher, to make it compatible on Node 17+, check here: vuejs/vue-cli#6770 (comment)

Edit:
Possible follow-up tasks:

• Update README.md to reference node v16 instead of node v12
• Maybe update backend/template.yaml to use node v16

[MilanDonhowe]

I pushed a change which hardcodes the vue & vue-template versions which were triggering the previous build error and requiring us to use --legacy-peer-deps as a command line argument to the npm install command. @solderq35 if you could double check that it works on your end then I think we can go ahead and merge this into the main branch.

[solderq35]

Looks good, confirmed I was able to switch to the node-16 branch from master and install everything by just running npm install this time.