fix "modifer" -> "modifier" typo everywhere

proxychain/requestmodifiers/spoof_referrer_from_weibo_post.go

@@ -0,0 +1,21 @@
+package requestmodifiers
+
+import (
+	"fmt"
+	"math/rand"
+
+	"ladder/proxychain"
+)
+
+// SpoofReferrerFromWeiboPost modifies the referrer header
+// pretending to be from a Weibo post (popular in China)
+func SpoofReferrerFromWeiboPost() proxychain.RequestModification {
+	return func(chain *proxychain.ProxyChain) error {
+		referrer := fmt.Sprintf("http://weibo.com/u/%d", rand.Intn(90001))
+		chain.Request.Header.Set("referrer", referrer)
+		chain.Request.Header.Set("sec-fetch-site", "cross-site")
+		chain.Request.Header.Set("sec-fetch-dest", "document")
+		chain.Request.Header.Set("sec-fetch-mode", "navigate")
+		return nil
+	}
+}