Optimize all modals (fetching). Implement add-player modal.

controllers/player_controller.go

@@ -33,7 +33,7 @@ func GetAllPlayers(c *gin.Context) {
 // GetPlayersByClanHTML GET /players_html
 func GetPlayersByClanHTML(c *gin.Context) {
 	var players []models.Player
-	clanId := c.Request.URL.Query().Get("id")
+	clanId := c.Request.URL.Query().Get("clan_id")
 	if err := models.DB.Where("clan_id = ?", utils.StringToUint(clanId)).Find(&players).Error; err != nil {
 		return
 	}