docs: translate development.md to Chinese

First backlog item translated with the dsh-translate-docs skill: full-file
translation, terminology per docs/i18n/terminology.md, structure locked to
the source (11 headings, 10 byte-identical code blocks), fingerprinted and
added to the manifest's required list.

scripts/translation-pairing.manifest.json

@@ -1,6 +1,7 @@
 {
   "required": [
     "README.md",
+    "docs/development.md",
     "docs/i18n/README.md",
     "docs/i18n/translation-rules.md"
   ],