Add external particle life sample

sample/particleLife/meta.ts

@@ -0,0 +1,10 @@
+export default {
+  name: 'Particle Life',
+  description: `This example demonstrates how to simulate large numbers of particles using a few spatial partitioning methods.`,
+  filename: __DIRNAME__,
+  external: {
+    url: 'https://gpu-life.silverspace.io?sample',
+    sourceURL: 'https://github.com/SilverSpace505/gpu-life',
+  },
+  sources: [],
+};

src/samples.ts

@@ -22,6 +22,7 @@
 import multipleCanvases from '../sample/multipleCanvases/meta';
 import normalMap from '../sample/normalMap/meta';
 import occlusionQuery from '../sample/occlusionQuery/meta';
+import particleLife from '../sample/particleLife/meta';
 import particles from '../sample/particles/meta';
 import points from '../sample/points/meta';
 import primitivePicking from '../sample/primitivePicking/meta';
@@ -171,6 +172,7 @@
       spookyball,
       marchingCubes,
       alphaToCoverageEmulator,
+      particleLife
     },
   },