Add `opus-mt-tc` tag

Add `opus-mt-tc` tag so that this new marian models can be found more easily

README.md

@@ -5,10 +5,9 @@ language:
 - ru
 - uk
 - zle
-
 tags:
 - translation
-
+- opus-mt-tc
 license: cc-by-4.0
 model-index:
 - name: opus-mt-tc-big-it-zle
@@ -22,9 +21,9 @@ model-index:
       type: flores_101
       args: ita rus devtest
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 21.3
+    - name: BLEU
+      type: bleu
+      value: 21.3
   - task:
       name: Translation ita-bel
       type: translation
@@ -34,9 +33,9 @@ model-index:
       type: tatoeba_mt
       args: ita-bel
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 33.3
+    - name: BLEU
+      type: bleu
+      value: 33.3
   - task:
       name: Translation ita-rus
       type: translation
@@ -46,9 +45,9 @@ model-index:
       type: tatoeba_mt
       args: ita-rus
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 46.7
+    - name: BLEU
+      type: bleu
+      value: 46.7
   - task:
       name: Translation ita-ukr
       type: translation
@@ -58,9 +57,9 @@ model-index:
       type: tatoeba_mt
       args: ita-ukr
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 48.4
+    - name: BLEU
+      type: bleu
+      value: 48.4
 ---
 # opus-mt-tc-big-it-zle