Update README.md

Added metric values.

README.md

@@ -1,13 +1,25 @@
 ---
 language:
 - el
-metrics:
-- f1
-- accuracy
 base_model:
 - bowphs/GreBerta
 pipeline_tag: text-classification
-repo:
-- https://github.com/glsch/rhetores_graeci
+model-index:
+  - name: bowphs_GreBerta_rhetores_classification
+    results:
+      - task:
+          type: text-classification
+        metrics:
+          - name: f1
+            type: f1
+            value: 0.9014
+            verified: false
+      - task:
+          type: text-classification
+        metrics:
+          - name: accuracy
+            type: accuracy
+            value: 0.9012
+            verified: false
 ---
 <img src="rhetores.jpg">