Only use lowercase

Author: firecow

src/index.ts

@@ -34,7 +34,7 @@ const logger: winston.Logger = winston.createLogger({
 
 const makeid = (length: number): string => {
     let result = "";
-    const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
     const charactersLength = characters.length;
     for (let i = 0; i < length; i = i + 1) {
         result += characters.charAt(Math.floor(Math.random() * charactersLength));