Backend initial Commit

backend/model/submission.go

@@ -0,0 +1,10 @@
+package model
+
+// CodeSubmission represents a code submission for execution
+type CodeSubmission struct {
+	ID       string `json:"id"`
+	Code     string `json:"code"`
+	Language string `json:"language"` // Added language field
+	Status   string `json:"status"`
+	Output   string `json:"output"`
+}