Add `opus-mt-tc` tag

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

README.md

@@ -4,10 +4,9 @@ language:
 - ru
 - uk
 - zle
-
 tags:
 - translation
-
+- opus-mt-tc
 license: cc-by-4.0
 model-index:
 - name: opus-mt-tc-big-pt-zle
@@ -21,9 +20,9 @@ model-index:
       type: flores_101
       args: por rus devtest
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 26.8
+    - name: BLEU
+      type: bleu
+      value: 26.8
   - task:
       name: Translation por-ukr
       type: translation
@@ -33,9 +32,9 @@ model-index:
       type: flores_101
       args: por ukr devtest
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 25.1
+    - name: BLEU
+      type: bleu
+      value: 25.1
   - task:
       name: Translation por-rus
       type: translation
@@ -45,9 +44,9 @@ model-index:
       type: tatoeba_mt
       args: por-rus
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 47.6
+    - name: BLEU
+      type: bleu
+      value: 47.6
   - task:
       name: Translation por-ukr
       type: translation
@@ -57,9 +56,9 @@ model-index:
       type: tatoeba_mt
       args: por-ukr
     metrics:
-       - name: BLEU
-         type: bleu
-         value: 44.7
+    - name: BLEU
+      type: bleu
+      value: 44.7
 ---
 # opus-mt-tc-big-pt-zle