[BUG] Update connection wording in docs

[PiVortex]

Description

Here its called nearConnection https://docs.near.org/tools/near-api#connect Here its called connection https://docs.near.org/tools/near-api#instantiate-account

Page URL

https://docs.near.org/tools/near-api

Impact

• [ ] Incorrect information
• [ ] Missing information
• [ ] Unclear explanation
• [ ] Broken link
• [ ] Code example doesn't work
• [ ] Other (please specify in description)

Suggested Fix

Update all to nearConnection. Check all examples here to make sure the same https://github.com/near-examples/near-api-examples/tree/main/javascript

[bucanero]

seems similiar to #1926 🤔