[Feature Request]: Add Store tab to channel page

### Guidelines

- [x] I have [searched the issue tracker for open and closed issues](https://github.com/FreeTubeApp/FreeTube/issues?q=is%3Aissue+sort%3Arelevance-desc) that are similar to the feature request I want to file, without success.
- [x] I have searched the [documentation](https://docs.freetubeapp.io/) for information that matches the description of the feature request I want to file, without success.
- [x] This issue contains only one feature request.
- [x] I have read and agree to follow the [rules](https://docs.freetubeapp.io/community/rules/).

### Problem Description

On YT:

1. Go to https://www.youtube.com/channel/UCXuqSBlHAE6Xw-yeJA0Tunw
2. See Store tab located after Posts

On FT:
1. Go to https://www.youtube.com/channel/UCXuqSBlHAE6Xw-yeJA0Tunw
2. See no Store tab

### Proposed Solution

Add support for showing Store tab on the channel page

### Alternatives Considered

None.

### Issue Labels

new feature

### Additional Information

_No response_