Usage
bblog(author = NA, post_df, dest_path = "blog", initial = FALSE,
template = "xmin", post_df_source = c("appbase_api", "steemsql.com"),
orginal_link = c("steemit.com", "cnsteem.com", "busy.org", "steemdb.com",
"steemd.com"), my_github = "your_name/your_repo")