rename vote/judge verbs to participate

mv-openapi.yaml

@@ -316,9 +316,9 @@ components:
           description: A unique identifier
           example: JtRm05yjMAuFCI2uwnFp
           readOnly: true
-        has-voted:
+        has-participed:
           type: boolean
-          description: 'True if the judge already voted on the poll, False otherwise'
+          description: 'True if the judge already participed to the poll, False otherwise'
           example: true
         poll-id:
           type: string

openapi/components/schemas/judge.yaml

@@ -5,9 +5,9 @@ properties:
     description: A unique identifier
     example: JtRm05yjMAuFCI2uwnFp
     readOnly: true
-  has-voted:
+  has-participed:
     type: boolean
-    description: True if the judge already voted on the poll, False otherwise
+    description: True if the judge already participed to the poll, False otherwise
     example: true
   poll-id:
     type: string

openapi/components/schemas/poll.yaml

@@ -11,14 +11,14 @@ properties:
     description: 'The title of the poll'
   candidates:
     type: array
-    description: The candidates being judged in a poll.
+    description: The candidates being voted in a poll.
     minItems: 2
     maxItems: 20
     items:
       $ref: ./candidate.yaml
   grades:
     type: array
-    description: The grades on which one judges a candidate.
+    description: The grades on which one vote to a candidate.
     minItems: 2
     maxItems: 10
     items: