move perspective to bottom and fix links

docs/courses/hello-world/1.1-running-the-demo.ipynb

@@ -29,12 +29,6 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Perspective White Paper\n",
-    "\n",
-    "✅ Read \"What is a minimal working example for a self-driving laboratory?\" [🔗 DOI: 10.1016/j.matt.2022.11.007](https://github.com/AccelerationConsortium/ac-microcourses/blob/dev/docs/courses/hello-world/pdf/baird_what_2022.pdf) or by clicking the image below:\n",
-    "\n",
-    "[<img src=\"./images/matter-manuscript-header.png\" width=40%>](https://github.com/AccelerationConsortium/ac-microcourses/blob/dev/docs/courses/hello-world/pdf/baird_what_2022.pdf)\n",
-    "\n",
     "## Hardware and WiFi Requirements\n",
     "\n",
     "Pay careful attention to the hardware and WiFi requirements in the video tutorial and build instructions below. These are necessary to complete the last assignment in this module.\n",
@@ -51,7 +45,13 @@
     "\n",
     "✅ Read and follow the build instructions manuscript at [🔗 DOI: 10.1016/j.xpro.2023.102329](https://doi.org/10.1016/j.xpro.2023.102329) or by clicking the image below:\n",
     "\n",
-    "[<img src=\"./images/xpro-manuscript-header.png\" width=40%>](https://doi.org/10.1016/j.xpro.2023.102329)"
+    "[<img src=\"./images/xpro-manuscript-header.png\" width=40%>](https://doi.org/10.1016/j.xpro.2023.102329)\n",
+    "\n",
+    "## Perspective White Paper\n",
+    "\n",
+    "✅ For some additional context about the motivation of these demos, read \"What is a minimal working example for a self-driving laboratory?\" [🔗 DOI: 10.1016/j.matt.2022.11.007](https://dx.doi.org/10.1016/j.matt.2022.11.007) [PDF](https://github.com/AccelerationConsortium/ac-microcourses/blob/main/docs/courses/hello-world/pdf/baird_what_2022.pdf) or by clicking the image below:\n",
+    "\n",
+    "[<img src=\"./images/matter-manuscript-header.png\" width=40%>](https://dx.doi.org/10.1016/j.matt.2022.11.007)"
    ]
   },
   {