README.md

Epoch	Training Loss	Validation Loss	Rouge1	Rouge2	RougeL	RougeLsum
1	1.500700	1.457357	0.535802	0.242695	0.535913	0.535848
2	1.443000	1.397322	0.537318	0.245159	0.537385	0.537316
3	1.403600	1.363228	0.539311	0.249056	0.539357	0.539293