docs: function calcRelPath(filePath, linkPath) {
      filePath = filePath.replace(`\\`, `/`);
      linkPath = linkPath.replace(`\\`, `/`);
      let RelPath = '',
          linkPathList = linkPath.split('/'),
          filePathList = filePath.split('/'),
          idx = 0;
      console.log(`File Path : ${filePath}, link path : ${linkPath}`);
      for (let i = 1; i < filePathList.length - 1; i++) {
          idx = i;
          if (filePathList[i] === linkPathList[i])
              break;
          RelPath += '../';
      }
  
      if (RelPath.length === 0) {
          RelPath += './';
          idx += 1;
      }
  
      if (idx === 0) idx += 1;
  
      for (let i = idx; i < linkPathList.length - 1; i++) {
          RelPath += linkPathList[i] + '/';
      }
  
      RelPath += linkPathList[linkPathList.length - 1];
      console.log(`RelPath : ${RelPath}`);
      return RelPath;
  }