swagger/fix: []string are not enum by swagger definition (#7916)

* []string are not enum by swagger definition

* apply suggestion of @guillep2k

* re-generate swagger file

modules/structs/org_team.go

 	Organization *Organization `json:"organization"`
 	// enum: none,read,write,admin,owner
 	Permission string `json:"permission"`
-	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	// example: ["repo.code","repo.issues","repo.ext_issues","repo.wiki","repo.pulls","repo.releases","repo.ext_wiki"]
 	Units []string `json:"units"`
 }
 
 	Description string `json:"description" binding:"MaxSize(255)"`
 	// enum: read,write,admin
 	Permission string `json:"permission"`
-	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	// example: ["repo.code","repo.issues","repo.ext_issues","repo.wiki","repo.pulls","repo.releases","repo.ext_wiki"]
 	Units []string `json:"units"`
 }
 
 	Description string `json:"description" binding:"MaxSize(255)"`
 	// enum: read,write,admin
 	Permission string `json:"permission"`
-	// enum: repo.code,repo.issues,repo.ext_issues,repo.wiki,repo.pulls,repo.releases,repo.ext_wiki
+	// example: ["repo.code","repo.issues","repo.ext_issues","repo.wiki","repo.pulls","repo.releases","repo.ext_wiki"]
 	Units []string `json:"units"`
 }

templates/swagger/v1_json.tmpl

         },
         "units": {
           "type": "array",
-          "enum": [
+          "items": {
+            "type": "string"
+          },
+          "x-go-name": "Units",
+          "example": [
             "repo.code",
             "repo.issues",
             "repo.ext_issues",
             "repo.pulls",
             "repo.releases",
             "repo.ext_wiki"
-          ],
-          "items": {
-            "type": "string"
-          },
-          "x-go-name": "Units"
+          ]
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
         },
         "units": {
           "type": "array",
-          "enum": [
+          "items": {
+            "type": "string"
+          },
+          "x-go-name": "Units",
+          "example": [
             "repo.code",
             "repo.issues",
             "repo.ext_issues",
             "repo.pulls",
             "repo.releases",
             "repo.ext_wiki"
-          ],
-          "items": {
-            "type": "string"
-          },
-          "x-go-name": "Units"
+          ]
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"
         },
         "units": {
           "type": "array",
-          "enum": [
+          "items": {
+            "type": "string"
+          },
+          "x-go-name": "Units",
+          "example": [
             "repo.code",
             "repo.issues",
             "repo.ext_issues",
             "repo.pulls",
             "repo.releases",
             "repo.ext_wiki"
-          ],
-          "items": {
-            "type": "string"
-          },
-          "x-go-name": "Units"
+          ]
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"