add: Cookie generation

internal/utils/cookies.go

@@ -0,0 +1,20 @@
+package utils
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func SetCookie(c *gin.Context, token string) {
+	c.SetSameSite(http.SameSiteLaxMode)
+	c.SetCookie(
+		"jwt",
+		token,
+		5*24*60*60, // 5 days
+		"/",
+		"",
+		true,
+		true,
+	)
+}