Beta release for kernel 4.2.0, liblvgl (#390)

Author: AndrewLuGit

v5/_static/beta/beta-pros-mainline.json

@@ -128,5 +128,35 @@
     "supported_kernels": null,
     "target": "v5",
     "version": "4.0.7"
+  },
+  {
+    "metadata": {
+      "location": "https://pros.cs.purdue.edu/v5/_static/beta/kernel@4.2.0.zip"
+    },
+    "name": "kernel",
+    "py/object": "pros.conductor.templates.base_template.BaseTemplate",
+    "supported_kernels": null,
+    "target": "v5",
+    "version": "4.2.0"
+  },
+  {
+    "metadata": {
+      "location": "https://pros.cs.purdue.edu/v5/_static/beta/liblvgl@8.3.9.zip"
+    },
+    "name": "liblvgl",
+    "py/object": "pros.conductor.templates.base_template.BaseTemplate",
+    "supported_kernels": ">=4.2.0",
+    "target": "v5",
+    "version": "8.3.9"
+  },
+  {
+    "metadata": {
+      "location": "https://pros.cs.purdue.edu/v5/_static/beta/liblvgl@9.2.0.zip"
+    },
+    "name": "liblvgl",
+    "py/object": "pros.conductor.templates.base_template.BaseTemplate",
+    "supported_kernels": ">=4.2.0",
+    "target": "v5",
+    "version": "9.2.0"
   }
 ]