Prune obsolete docs and update navigation

scripts/dev-server/README.md

@@ -4,10 +4,10 @@
 
 当前正式开发入口统一为：
 
-- `node scripts/dev-node.mjs`
-- `server-node/src/modules/editor/**`
-- `server-node/src/modules/assets/**`
-- `src/editor/shared/editorApiClient.ts`
+- `npm run dev`
+- `scripts/dev-rust-stack.sh`
+- `server-rs/crates/api-server/**`
+- `server-rs/crates/spacetime-module/**`
 
 该目录只保留本说明文件，作为迁移结果标记。