[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>

internal/validate/formvalidation.go

@@ -60,7 +60,7 @@ func NewPassword(password string) error {
 		return errors.New(strings.ReplaceAll(
 			err.Error(),
 			"insecure password",
-			fmt.Sprintf("password is %d%% strength", percent)))
+			fmt.Sprintf("password is only %d%% strength", percent)))
 	}
 
 	return nil // pasword OK