Fix whitespaces in config strings

src/utils/config.ts

@@ -1,7 +1,7 @@
 import { readFileSync } from "fs";
 
 const specialOptions: Record<string, (text: string) => string> = {
-  $__file: (arg: string) => readFileSync(arg, 'utf8')
+  $__file: (arg: string) => readFileSync(arg, 'utf8').trim()
 };
 
 export const enhancedStringConfig = (value: string) => {  
@@ -9,7 +9,7 @@ export const enhancedStringConfig = (value: string) => {
 
   for(const opt of Object.keys(specialOptions)) {
     if(trimmed.startsWith(`${opt}:`) && opt in specialOptions) {      
-      return specialOptions[opt](trimmed.slice(opt.length + 1));
+      return specialOptions[opt](trimmed.slice(opt.length + 1).trim());
     }
   }