[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/api/client/user/passwordchange.go

@@ -100,5 +100,5 @@ func (m *Module) PasswordChangePOSTHandler(c *gin.Context) {
 		return
 	}
 
-	c.Status(http.StatusOK)
+	c.JSON(http.StatusOK, gin.H{"status": "OK"})
 }