Update `Bun` use `rawstr4c`

src/recipe/lang/Node.js/Bun.c

@@ -30,8 +30,7 @@ pl_nodejs_bun_setsrc (char *option)
   // 用的是 npm Registry 的源
   chsrc_yield_source (pl_nodejs_group);
 
-  char *content = "[install]\n"
-                  "registry = \"@url@\"\n";
+  char *content = RAWSTR_pl_nodejs_bun_config;
 
   content = xy_str_gsub (content, "@url@", source.url);
 

src/recipe/lang/rawstr4c.md

@@ -19,6 +19,23 @@
 
 
 
+## Node.js
+
+- namespace = `nodejs`
+
+### Bun
+
+- name = `bun_config`
+
+```toml
+[install]
+registry = "@url@"
+```
+
+<br>
+
+
+
 ## Java
 
 - namespace = `java`