added fetch bot(s) functions.

bot.go

@@ -1,10 +1,39 @@
 package revoltgo
 
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+)
+
 // Bot struct.
 type Bot struct {
+	Client    *Client
+	CreatedAt time.Time
+
 	Id              string `json:"_id"`
 	OwnerId         string `json:"owner"`
 	Token           string `json:"token"`
 	IsPublic        bool   `json:"public"`
 	InteractionsUrl string `json:"interactionsURL"`
 }
+
+// Fetched bots struct.
+type FetchedBots struct {
+	Bots  []*Bot  `json:"bots"`
+	Users []*User `json:"users"`
+}
+
+// Calculate creation date and edit the struct.
+func (b *Bot) CalculateCreationDate() error {
+	ulid, err := ulid.Parse(b.Id)
+
+	if err != nil {
+		return err
+	}
+
+	b.CreatedAt = time.UnixMilli(int64(ulid.Time()))
+	return nil
+}
+
+// Edit the bot.