Increased linting

[aefhm]

(non-blocking)

I think we can increase the tooling and tighten up whitespace linting and prefix variable names with _ when unused.

Some boolean expressions will then also be more clear too.

[pro-wh]

Some recommendations: prettier, eslint. We have an eslint config in our web wallet repo, which might be a good starting point

[nhynes]

Any update on this? Prettier really is quite useful. Eslint, too. I like format-on-save with Prettier. It lets me focus on the code instead of typing correctly,.

[pro-wh]

there's just always been large projects ongoing. I think the latest is #185 and #200 for switching the build system to parcel