Generate swagger json (#1402)

- Generate swagger.json into public/
- Add swagger-ui auto-installation
- Add footer link to local swagger-ui
- Add /swagger url for using app url.
- Fix Swagger-UI version via git tag

vendor/code.gitea.io/sdk/gitea/user_app.go

@@ -18,11 +18,16 @@ func BasicAuthEncode(user, pass string) string {
 }
 
 // AccessToken represents a API access token.
+// swagger:response AccessToken
 type AccessToken struct {
 	Name string `json:"name"`
 	Sha1 string `json:"sha1"`
 }
 
+// AccessTokenList represents a list of API access token.
+// swagger:response AccessTokenList
+type AccessTokenList []*AccessToken 
+
 // ListAccessTokens lista all the access tokens of user
 func (c *Client) ListAccessTokens(user, pass string) ([]*AccessToken, error) {
 	tokens := make([]*AccessToken, 0, 10)
@@ -31,6 +36,7 @@ func (c *Client) ListAccessTokens(user, pass string) ([]*AccessToken, error) {
 }
 
 // CreateAccessTokenOption options when create access token
+// swagger:parameters userCreateToken
 type CreateAccessTokenOption struct {
 	Name string `json:"name" binding:"Required"`
 }