feat(start): initialize project with Go scaffold

- Add basic Go application structure.- Include `.gitignore` file with common Go ignores.
- Create `main.go` with initial "Hello, World!" implementation.

.gitignore

@@ -1,4 +1,15 @@
-# ---> Go
+### Example user template template
+### Example user template
+
+# IntelliJ project files
+.idea
+*.iml
+out
+gen
+### Go template
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
 # Binaries for programs and plugins
 *.exe
 *.exe~
@@ -15,3 +26,6 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
+# Go workspace file
+go.work
+

main.go

@@ -0,0 +1,7 @@
+package hertz_scaffold
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello, World!")
+}