code: def meta_(cls, **kwargs):
          
          _name_ = "META"
          meta_data = cls._context.get(_name_, {})
          for k, v in kwargs.items():
              # Prepend/Append string
              if (k.endswith("__prepend") or k.endswith("__append")) \
                      and isinstance(v, str):
                  k, position = k.split("__", 2)
                  _v = meta_data.get(k, "")
                  if position == "prepend":
                      v += _v
                  elif position == "append":
                      v = _v + v
              if k == "keywords" and not isinstance(k, list):
                  raise ValueError("Meta keyword must be a list")
              meta_data[k] = v
          cls.context_(_name_=meta_data)
docs: Meta allows you to add meta data to site
          :params **kwargs:
  
          meta keys we're expecting:
              title (str)
              description (str)
              url (str) (Will pick it up by itself if not set)
              image (str)
              site_name (str) (but can pick it up from config file)
              object_type (str)
              keywords (list)
              locale (str)
  
              **Boolean By default these keys are True
              use_opengraph
              use_twitter
              use_googleplus