added t:new and --patches flag

new.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// applyNewModifications handles `t:new` type patches
+func applyNewModifications(targetFilePath string, modifications []string) error {
+	// Ensure the directory structure exists
+	dir := filepath.Dir(targetFilePath)
+	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create directories for target file: %v", err)
+	}
+
+	// Check if the file exists
+	if _, err := os.Stat(targetFilePath); err == nil {
+		// File exists, delete it
+		if err := os.Remove(targetFilePath); err != nil {
+			return fmt.Errorf("failed to delete existing target file: %v", err)
+		}
+	}
+
+	// Create a new file and apply modifications
+	tempFile, err := os.Create(targetFilePath)
+	if err != nil {
+		return fmt.Errorf("failed to create target file: %v", err)
+	}
+	defer tempFile.Close()
+
+	// Write new modifications
+	for _, mod := range modifications {
+		if strings.HasPrefix(mod, "+") {
+			newLine := strings.TrimPrefix(mod, "+")
+			if _, err := tempFile.WriteString(newLine + "\n"); err != nil {
+				return fmt.Errorf("failed to write new content to target file: %v", err)
+			}
+		}
+	}
+
+	return nil
+}