Docs: add zh-CN entrypoint translations (#6300)

* Docs: add zh-CN entrypoint translations

* Docs: harden docs-i18n parsing

scripts/docs-i18n/segment.go

@@ -0,0 +1,11 @@
+package main
+
+type Segment struct {
+	Start      int
+	Stop       int
+	Text       string
+	TextHash   string
+	SegmentID  string
+	Translated string
+	CacheKey   string
+}