feat(routing): add user admin panel support

Adds the user administration route, associated server handlers, and frontend assets for managing user accounts.

lib/routing/routes.go

@@ -24,6 +24,7 @@ type Handlers struct {
 	AdminAlerts         gin.HandlerFunc
 	AdminBoxes          gin.HandlerFunc
 	AdminBoxesAction    gin.HandlerFunc
+	AdminUsers          gin.HandlerFunc
 	AdminSettings       gin.HandlerFunc
 	AdminSettingsExport gin.HandlerFunc
 	AdminSettingsSave   gin.HandlerFunc
@@ -61,6 +62,7 @@ func Register(router *gin.Engine, handlers Handlers) {
 	protected.GET("/alerts", handlers.AdminAlerts)
 	protected.GET("/boxes", handlers.AdminBoxes)
 	protected.POST("/boxes/actions", handlers.AdminBoxesAction)
+	protected.GET("/users", handlers.AdminUsers)
 	protected.GET("/settings", handlers.AdminSettings)
 	protected.GET("/settings/export", handlers.AdminSettingsExport)
 	protected.POST("/settings/save", handlers.AdminSettingsSave)