Timeline manager (#40)

* start messing about with timeline manager

* i have no idea what i'm doing

* i continue to not know what i'm doing

* it's coming along

* bit more progress

* update timeline with new posts as they come in

* lint and fmt

* Select accounts where empty string

* restructure a bunch, get unfaves working

* moving stuff around

* federate status deletes properly

* mention regex better but not 100% there

* fix regex

* some more hacking away at the timeline code phew

* fix up some little things

* i can't even

* more timeline stuff

* move to ulid

* fiddley

* some lil fixes for kibou compatibility

* timelines working pretty alright!

* tidy + lint

internal/processing/admin.go

@@ -25,6 +25,7 @@ import (
 	"io"
 
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/id"
 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 )
 
@@ -53,6 +54,12 @@ func (p *processor) AdminEmojiCreate(authed *oauth.Auth, form *apimodel.EmojiCre
 		return nil, fmt.Errorf("error reading emoji: %s", err)
 	}
 
+	emojiID, err := id.NewULID()
+	if err != nil {
+		return nil, err
+	}
+	emoji.ID = emojiID
+
 	mastoEmoji, err := p.tc.EmojiToMasto(emoji)
 	if err != nil {
 		return nil, fmt.Errorf("error converting emoji to mastotype: %s", err)