Add error page for ratelimit

utils/request.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"strconv"
 
 	"github.com/tidwall/gjson"
 )
@@ -30,6 +31,13 @@ func GetJSON(url string) (gjson.Result, error) {
 	if err != nil {
 		return gjson.Result{}, err
 	}
+	rateLimitRemaining := res.Header.Get("X-RateLimit-UserRemaining")
+	if rateLimitRemaining != "" {
+		ratelimit, _ := strconv.Atoi(rateLimitRemaining)
+		if ratelimit <= 0 {
+			return gjson.Result{}, fmt.Errorf("ratelimited by imgur")
+		}
+	}
 
 	body, err := io.ReadAll(res.Body)
 	if err != nil {