sites: add pg3d, horticular

Author: alex4401

sites.json

@@ -810,6 +810,10 @@
 		"id": "holocure",
 		"name": "Holocure"
 	},
+	{
+		"id": "horticular",
+		"name": "Horticular"
+	},
 	{
 		"id": "hyboriangates",
 		"name": "Hyborian Gates",
@@ -1261,6 +1265,14 @@
 		"name": "Peglin",
 		"official": true
 	},
+	{
+		"id": "pg3d",
+		"oldId": "pixelgun",
+		"name": "Pixel Gun 3D",
+		"search": {
+			"oldName": "Pixel Gun"
+		}
+	},
 	{
 		"id": "pico",
 		"name": "Pico"
@@ -1996,4 +2008,4 @@
 		"id": "zeldacraft",
 		"name": "Zeldacraft"
 	}
-]
+]