Update dependency css-loader to v6.5.1

See merge request !31

Update dependency html-webpack-plugin to v5.5.0

See merge request !30

Update golang Docker tag to v1.17.3

See merge request !32

Update dependency mini-css-extract-plugin to v2.4.5

See merge request !29

Fixes issue #3.

Should prevent ERR_OSSL_EVP_UNSUPPORTED, according to
https://stackoverflow.com/questions/69665222/node-17-0-1-causes-some-error-digital-envelope-routinesunsupported

Add PurgeCSS to reduce final css size

See merge request !26

Update dependency mini-css-extract-plugin to v2

See merge request !23

Update dependency css-loader to v6

See merge request !24

Update dependency html-webpack-plugin to v5.4.0

See merge request !28

Update dependency html-webpack-plugin to v5.3.2

See merge request !20

Update dependency @popperjs/core to v2.9.3

See merge request !25

Update dependency mini-css-extract-plugin to v1.6.0

See merge request !15

Update dependency bootstrap to v5.0.1

See merge request !17

Update dependency bootstrap to v5.0.0

See merge request !16