Enable user pronoun editing from the admin ui

While users can edit their own pronouns, the admin UI enables an admin
to edit *any* user setting. As such, pronouns should be editable here,
too.

For the sake of simplicity, the input here is a simple text input field,
rather than a dropdown.

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>

routers/web/admin/users.go

@@ -435,6 +435,7 @@ func EditUserPost(ctx *context.Context) {
 		FullName:                optional.Some(form.FullName),
 		Website:                 optional.Some(form.Website),
 		Location:                optional.Some(form.Location),
+		Pronouns:                optional.Some(form.Pronouns),
 		IsActive:                optional.Some(form.Active),
 		IsAdmin:                 optional.Some(form.Admin),
 		AllowGitHook:            optional.Some(form.AllowGitHook),

services/forms/admin.go

@@ -42,6 +42,7 @@ type AdminEditUserForm struct {
 	Website                 string `binding:"ValidUrl;MaxSize(255)"`
 	Location                string `binding:"MaxSize(50)"`
 	Language                string `binding:"MaxSize(5)"`
+	Pronouns                string `binding:"MaxSize(50)"`
 	MaxRepoCreation         int
 	Active                  bool
 	Admin                   bool

templates/admin/user/edit.tmpl

@@ -61,6 +61,10 @@
 					<label for="full_name">{{ctx.Locale.Tr "settings.full_name"}}</label>
 					<input id="full_name" name="full_name" value="{{.User.FullName}}" maxlength="100">
 				</div>
+				<div class="field">
+					<label for="pronouns">{{ctx.Locale.Tr "settings.pronouns"}}</label>
+					<input id="pronouns" name="pronouns" value="{{.User.Pronouns}}" maxlength="50">
+				</div>
 				<div class="required field {{if .Err_Email}}error{{end}}">
 					<label for="email">{{ctx.Locale.Tr "email"}}</label>
 					<input id="email" name="email" type="email" value="{{.User.Email}}" autofocus required>