code: public Routes setBaseViewPath(String baseViewPath) {
  		if (StrKit.isBlank(baseViewPath)) {
  			throw new IllegalArgumentException("baseViewPath can not be blank");
  		}
  		
  		baseViewPath = baseViewPath.trim();
  		if (! baseViewPath.startsWith("/")) {			// add prefix "/"
  			baseViewPath = "/" + baseViewPath;
  		}
  		if (baseViewPath.endsWith("/")) {				// remove "/" in the end of baseViewPath
  			baseViewPath = baseViewPath.substring(0, baseViewPath.length() - 1);
  		}
  		
  		this.baseViewPath = baseViewPath;
  		return this;
  	}
docs: Set base view path for controller in this routes