fix(exitcodes): add propper exit codes on failure

Author: nivekcode

src/lib/converters/constants.converter.ts

@@ -34,5 +34,6 @@ export const convertToConstants = async (conversionOptions: ConstantsConversionO
     }
   } catch (exception) {
     error(`Something went wrong: ${exception}`);
+    process.exit(1);
   }
 };

src/lib/converters/files.converter.ts

@@ -85,5 +85,6 @@ export const convertToFiles = async (conversionOptions: FileConversionOptions):
     success('========================================================');
   } catch (error) {
     error('Something went wrong', error);
+    process.exit(1);
   }
 };

src/lib/converters/object.converter.ts

@@ -17,5 +17,6 @@ export const convertToSingleObject = async (conversionOptions: ObjectConversionO
     success(`Icons file successfully generated under ${underlineSuccess(outputDirectory)}`);
   } catch (exception) {
     error(`Something went wrong: ${exception}`);
+    process.exit(1);
   }
 };