Revert "Revert "make run server build the binary instead of outputting each run to a tmp file""

This reverts commit c52f10f92d.

cli/htmgo/tasks/run/runserver.go

@@ -1,7 +1,42 @@
 package run
 
-import "github.com/maddalax/htmgo/cli/htmgo/tasks/process"
+import (
+	"fmt"
+	"github.com/maddalax/htmgo/cli/htmgo/tasks/process"
+	"io/fs"
+	"os"
+	"path/filepath"
+)
 
 func Server(flags ...process.RunFlag) error {
-	return process.Run(process.NewRawCommand("run-server", "go run .", flags...))
+	buildDir := "./__htmgo/temp-build"
+	_ = os.RemoveAll(buildDir)
+	err := os.Mkdir(buildDir, 0755)
+
+	if err != nil {
+		return err
+	}
+
+	process.RunOrExit(process.NewRawCommand("", fmt.Sprintf("go build -o %s", buildDir)))
+
+	binaryPath := ""
+
+	// find the binary that was built
+	err = filepath.WalkDir(buildDir, func(path string, d fs.DirEntry, err error) error {
+		if d.IsDir() {
+			return nil
+		}
+		binaryPath = path
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	if binaryPath == "" {
+		return fmt.Errorf("could not find the binary")
+	}
+
+	return process.Run(process.NewRawCommand("run-server", fmt.Sprintf("./%s", binaryPath), flags...))
 }