added to remote repo

frontend/node_modules/json5/lib/util.d.ts

@@ -0,0 +1,5 @@
+export declare function isSpaceSeparator(c?: string): boolean
+export declare function isIdStartChar(c?: string): boolean
+export declare function isIdContinueChar(c?: string): boolean
+export declare function isDigit(c?: string): boolean
+export declare function isHexDigit(c?: string): boolean