add 2080ti, 2080 into hardware.ts (#853)

added FP16 (half) FLOPs for the GPUs listed in title.

sources: 
- https://www.techpowerup.com/gpu-specs/geforce-rtx-2080.c3224
- https://www.techpowerup.com/gpu-specs/geforce-rtx-2080-ti.c3305
- https://www.techpowerup.com/gpu-specs/geforce-rtx-2070.c3252 (as
x-reference to know which number to use).

---------

Co-authored-by: Vaibhav Srivastav <[email protected]>
Co-authored-by: Pedro Cuenca <[email protected]>

Author: 3 people

packages/tasks/src/hardware.ts

@@ -164,6 +164,14 @@ export const SKUS = {
 				tflops: 12.74,
 				memory: [12, 8],
 			},
+			"RTX 2080 Ti": {
+				tflops: 26.9,
+				memory: [11],
+			},
+			"RTX 2080": {
+				tflops: 20.14,
+				memory: [8],
+			},
 			"RTX 2070": {
 				tflops: 14.93,
 				memory: [8],