Results 6 issues of hanjung

A type error occurred when using FunctionComponent using `forwardRef`, so this part was changed to use FunctionComponent. Please let me know if you have any additional corrections to make!

## Version v3.3.3 ## Development Environment ## Current Behavior ![image](https://user-images.githubusercontent.com/35371660/65088533-c14ff080-d9f4-11e9-9d5a-a8b5531f4016.png) ## Expected Behavior ![image](https://user-images.githubusercontent.com/35371660/65088584-e93f5400-d9f4-11e9-80ac-3ad71c2f5624.png)

Type: Bug

## Version ## Development Environment ## Current Behavior ```js // Write example code ``` ## Expected Behavior

Type: Bug
NHN
Priority: Normal

## Version ## Test Environment ## Current Behavior ```js // Write example code ``` ## Expected Behavior * nhnent -> nhn

Priority: Normal
NHN

```js // current condition isValidYear = (year > -1 && year < 100) || ((year > 1969) && (year < 2070)); ``` Fix condition for formatting over 2070 years

Type: Bug
Type: Enhancement

[x] I checked the [documentation](https://docs.ragas.io/) and related resources and couldn't find an answer to my question. **Your Question** Hello, ragas Team! I am very impressed to see that they are...

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