[NHP-Dev]:  Display Rating Curves (PDF or Link to USGS)

### Background

Lower Miss will need ability to link/show rating curves at specific gages

### User Story

This was included in the 12/3/2025 scope - 16hrs

### Purpose

Allows users to convert from flow to stage

### Workflow

_No response_

### Requirements

_No response_

### Misc. Notes

_No response_