better dev runner, bug fixes, design changes, and more

server.go

@@ -0,0 +1,16 @@
+//go:build !dev
+// +build !dev
+
+package main
+
+import (
+	"filething/ui"
+
+	"github.com/labstack/echo/v4"
+)
+
+func init() {
+	initUi = func(e *echo.Echo) {
+		e.GET("/*", echo.StaticDirectoryHandler(ui.DistDirFS, false))
+	}
+}