static-fe overhaul (#236)

static-fe overhaul (#236)

makes static-fe look more like pleroma-fe, with the stylesheets matching pleroma-dark and pleroma-light based on `prefers-color-scheme`.

- [x] navbar
- [x] about sidebar
- [x] background image
- [x] statuses
  - [x] "reply to" or "edited" tags
- [x] accounts
  - [x] show more / show less
  - [x] posts / with replies / media / followers / following
    - [x] followers/following would require user card snippets
  - [x] admin/bot indicators
- [x] attachments
  - [x] nsfw attachments
- [x] fontawesome icons
- [x] clean up and sort css
- [x] add pleroma-light
- [x] replace hardcoded strings

also i forgot
- [x] repeated headers

how it looks + sneak peek at statuses:
![](https://akkoma.dev/attachments/c0d3a025-6987-4630-8eb9-5f4db6858359)

Co-authored-by: Sol Fisher Romanoff <sol@solfisher.com>
Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/236
Co-authored-by: sfr <sol@solfisher.com>
Co-committed-by: sfr <sol@solfisher.com>