Update featured challenge

Author: kfahn22

content/pages/challenges/index.json

@@ -2,5 +2,5 @@
   "title": "Challenges",
   "description": "Ready to apply what you’ve learned in the Tracks? Try a Challenge! These one-off project videos build off concepts introduced in Tracks and may have prerequisites (listed on the challenge page itself).",
   "featuredText": "Featured Challenge:",
-  "featuredChallenge": "184-elastic-collisions"
+  "featuredChallenge": "185-dragon-curve"
 }

content/pages/homepage/index.json

@@ -31,7 +31,7 @@
     "title": "Challenges",
     "description": "Watch Dan take on Coding Challenges in p5.js and Processing. The challenge topics include algorithmic art, machine learning, simulation, generative poetry, and more.",
     "featured": [
-      "184-elastic-collisions",
+      "185-dragon-curve",
       "64-kinematics",
       "125-fourier-series",
       "28-metaballs",

content/videos/challenges/185-dragon-curve/index.json

@@ -14,13 +14,13 @@
     { "time": "0:36", "title": "The Nature of Code book" },
     { "time": "1:43", "title": "Explain algorithm" },
     { "time": "3:38", "title": "Start coding" },
-    { "time": "5:05", "title": "Write rotate runction" },
+    { "time": "5:05", "title": "Write rotate function" },
     { "time": "7:05", "title": "Rotate all the segments" },
     { "time": "11:30", "title": "We have the dragon curve!" },
     { "time": "12:00", "title": "Add animation" },
     { "time": "16:31", "title": "Add the starting positions for a and b" },
     { "time": "21:43", "title": "Scale the lines" },
-    { "time": "24:08", "title": "Add nextGeneration() function" },
+    { "time": "24:08", "title": "Add a nextGeneration() function" },
     { "time": "25:16", "title": "The reduction ratio" },
     { "time": "26:44", "title": "Target zoom" },
     { "time": "28:57", "title": "Challenge complete!" },

content/videos/challenges/185-dragon-curve/showcase/contribution1.jpg

@@ -1,6 +1,6 @@
 {
-  "title": "Super Dragon",
-  "url": "https://editor.p5js.org/kfahn/sketches/qvVzuYmjv",
+  "title": "Dragon Heart",
+  "url": "https://editor.p5js.org/kfahn/sketches/bKx0DvTE7",
   "author": {
     "name": "Kathy McGuiness",
     "url": ""