feat: cache resized images

diskcache/noop_cache.go

@@ -0,0 +1,24 @@
+package diskcache
+
+import (
+	"context"
+)
+
+type NoOp struct {
+}
+
+func NewNoOp() *NoOp {
+	return &NoOp{}
+}
+
+func (n *NoOp) Store(ctx context.Context, key string, value []byte) error {
+	return nil
+}
+
+func (n *NoOp) Load(ctx context.Context, key string) (value []byte, exist bool, err error) {
+	return nil, false, nil
+}
+
+func (n *NoOp) Delete(ctx context.Context, key string) error {
+	return nil
+}