[feature] Add first iteration of a user panel at /user (#736)

* start work on user panel

* parse source first before checking if empty form

* newline

* set avi + header nicely

* add posts settings

* render signin a bit nicer on mobile

* return OK json on successful change

* return unauthorized on bad password

* clarify message on insecure password

* make login a bit prettier

* add alt text + border round image previews

* add logout button

* add password change

* styling updates

* redirect /auth/edit to /user

* update tests

* fix validation tests

* better labels, link to more info

* make submit button generic component

* move submit button inside forms

* add autocomplete labels to password fields

* fix indentation (thx eslint)

* update eslintrc

* eslint: no-unescaped-entities

* initial deduplication between user and admin panel

* add default status/post format setting

* user panel styling for inputs

* update user panel styling, include normalize css

* add placeholder text

* input padding

Co-authored-by: f0x <f0x@cthu.lu>

web/source/package.json

@@ -22,6 +22,7 @@
     "from2-string": "^1.1.0",
     "icssify": "^2.0.0",
     "js-file-download": "^0.4.12",
+    "modern-normalize": "^1.1.0",
     "photoswipe": "^5.3.0",
     "photoswipe-dynamic-caption-plugin": "^1.2.4",
     "postcss-color-mod-function": "^3.0.3",