feat: 支持 protobuf 代码高亮

Author: zcong1993

src/utils/langHighlight.js

@@ -41,6 +41,7 @@ import vhdl from "highlight.js/lib/languages/vhdl";
 import xml from "highlight.js/lib/languages/xml";
 import yaml from "highlight.js/lib/languages/yaml";
 import diff from "highlight.js/lib/languages/diff";
+import protobuf from "highlight.js/lib/languages/protobuf";
 
 highlightjs.registerLanguage("bash", bash);
 highlightjs.registerLanguage("clojure", clojure);
@@ -82,5 +83,6 @@ highlightjs.registerLanguage("vhdl", vhdl);
 highlightjs.registerLanguage("xml", xml);
 highlightjs.registerLanguage("yaml", yaml);
 highlightjs.registerLanguage("diff", diff);
+highlightjs.registerLanguage("protobuf", protobuf);
 
 export default highlightjs;