docs: add polygon packed atlas to the demo

thanks to warmanw#5604 on discord for the file

spine-ts/spine-pixi/example/assets/spineboy-polypack.atlas

@@ -0,0 +1,117 @@
+spineboy-polypack.png
+size:2048,512
+filter:Linear,Linear
+pma:true
+crosshair
+bounds:1895,128,89,89
+eye-indifferent
+bounds:1863,217,93,89
+rotate:90
+eye-surprised
+bounds:1696,48,93,89
+front-bracer
+bounds:1192,4,58,80
+rotate:90
+front-fist-closed
+bounds:430,4,75,82
+rotate:90
+front-fist-open
+bounds:1895,42,86,87
+rotate:90
+front-foot
+bounds:1066,22,126,69
+rotate:180
+front-shin
+bounds:0,46,82,184
+rotate:90
+front-thigh
+bounds:1484,20,45,112
+front-upper-arm
+bounds:791,11,46,97
+rotate:90
+goggles
+bounds:1320,116,261,166
+gun
+bounds:1653,137,210,203
+head
+bounds:1025,121,271,298
+rotate:90
+hoverboard-board
+bounds:1297,240,492,152
+rotate:180
+hoverboard-thruster
+bounds:1529,0,60,64
+rotate:90
+hoverglow-small
+bounds:528,63,274,75
+mouth-grind
+bounds:698,4,93,59
+mouth-oooo
+bounds:605,4,93,59
+mouth-smile
+bounds:512,4,93,59
+muzzle-glow
+bounds:87,2,50,50
+muzzle-ring
+bounds:317,79,49,209
+rotate:90
+muzzle01
+bounds:184,49,133,79
+muzzle02
+bounds:802,57,135,81
+offsets:0,3,135,84
+muzzle03
+bounds:1536,60,160,98
+offsets:4,5,166,106
+muzzle04
+bounds:1807,68,149,88
+offsets:0,2,149,90
+rotate:90
+muzzle05
+bounds:1351,43,133,73
+offsets:0,1,135,75
+neck
+bounds:137,9,35,41
+offsets:0,0,36,41
+portal-bg
+bounds:264,128,264,264
+offsets:1,1,266,266
+portal-flare1
+bounds:1984,108,109,58
+offsets:1,1,111,60
+rotate:90
+portal-flare2
+bounds:1952,217,112,59
+offsets:1,1,114,61
+rotate:90
+portal-flare3
+bounds:317,22,113,57
+offsets:1,1,115,59
+portal-shade
+bounds:0,128,264,264
+offsets:1,1,266,266
+portal-streaks1
+bounds:528,138,250,254
+offsets:1,1,252,256
+portal-streaks2
+bounds:778,138,248,247
+offsets:1,1,250,249
+rotate:90
+rear-bracer
+bounds:1272,7,55,70
+offsets:0,2,56,72
+rotate:90
+rear-foot
+bounds:1743,5,113,60
+rotate:180
+rear-shin
+bounds:937,46,75,178
+rotate:90
+rear-thigh
+bounds:1982,14,55,94
+rear-upper-arm
+bounds:0,7,40,87
+rotate:90
+torso
+bounds:1171,62,98,180
+rotate:270

spine-ts/spine-pixi/example/index.html

@@ -39,18 +39,22 @@
 			});
 			document.body.appendChild(app.view);
 
+			// Feel free to mix and match the binary skeleton, the json skeleton, the rect atlas and the polypack atlas
+			// You only need one skeleton and one atlas, the rest is just to show how to load different formats
 			PIXI.Assets.add("spineboySkeletonJson", "./assets/spineboy-pro.json");
 			PIXI.Assets.add("spineboySkeletonBinary", "./assets/spineboy-pro.skel");
 			PIXI.Assets.add("spineboyAtlas", "./assets/spineboy.atlas");
+			PIXI.Assets.add("spineboyAtlasPolypack", "./assets/spineboy-polypack.atlas");
 
 			await PIXI.Assets.load([
 				"spineboySkeletonJson",
 				"spineboySkeletonBinary",
 				"spineboyAtlas",
+				"spineboyAtlasPolypack"
 			]);
 
 			// Create the spine display object
-			const spineBoy = spine.Spine.from("spineboySkeletonJson", "spineboyAtlas", { scale: 0.5 });
+			const spineBoy = spine.Spine.from("spineboySkeletonJson", "spineboyAtlasPolypack", { scale: 0.5 });
 
 			// .from(...) is a shortcut + cache for creating the skeleton data at a certain scale
 			// Here would be the "long way" of doing it (without cache):