added rendering of index

internal/rendering/template.go

@@ -0,0 +1,19 @@
+package rendering
+
+import (
+	"html/template"
+	"log"
+	"os"
+)
+
+func getFileContent() string {
+	content, err := os.ReadFile("frontend/index.html")
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return string(content)
+}
+
+var IndexTemplate = template.Must(template.New("index").Parse(getFileContent()))