📖 [Story] High Priority Operator Support

[narendasan]

TL;DR

These operations are high priority to have native support

Goal(s)

Operations that have high impact in key models should be the ones we focus on supporting first past core support of TRT operations.

Tasks

### Tasks
- [ ] https://github.com/pytorch/TensorRT/issues/2231
- [ ] https://github.com/pytorch/TensorRT/issues/2243
- [ ] https://github.com/pytorch/TensorRT/issues/2236
- [ ] https://github.com/pytorch/TensorRT/issues/2244
- [ ] https://github.com/pytorch/TensorRT/issues/2245
- [ ] https://github.com/pytorch/TensorRT/issues/1795
- [x] https://github.com/pytorch/TensorRT/issues/2345

Additional context

See issues like: #2144, #1545

### Tasks