Add noise-2s and noise-detail videos to Noise track

Author: lcgraves

content/tracks/side-tracks/noise/index.json

@@ -5,6 +5,8 @@
     "noc/perlin/graphing-1d-perlin-noise",
     "noc/perlin/intro-to-perlin-noise",
     "noc/perlin/noise-vs-random",
+    "noc/perlin/perlin-noise-2d",
+    "noc/perlin/perlin-noise-detail",
     "noise/open-simplex-noise",
     "challenges/136-polar-noise-loops",
     "challenges/137-4d-opensimplex-noise-loop",