cleanup title/description parsing

Signed-off-by: shmck <shawn.j.mckay@gmail.com>

Author: ShMcK

src/utils/parse.ts

@@ -41,15 +41,13 @@ export function parseMdContent(md: string): TutorialFrame | never {
   const summaryMatch = parts
     .shift()
     .match(/^#\s(?<tutorialTitle>.*)[\n\r]+(?<tutorialDescription>[^]*)/);
-  if (!summaryMatch.groups.tutorialTitle) {
-    throw new Error("Missing tutorial title");
+  if (summaryMatch.groups.tutorialTitle) {
+    mdContent.summary.title = summaryMatch.groups.tutorialTitle.trim();
   }
-  mdContent.summary.title = summaryMatch.groups.tutorialTitle.trim();
 
-  if (!summaryMatch.groups.tutorialDescription) {
-    throw new Error("Missing tutorial summary description");
+  if (summaryMatch.groups.tutorialDescription) {
+    mdContent.summary.description = summaryMatch.groups.tutorialDescription.trim();
   }
-  mdContent.summary.description = summaryMatch.groups.tutorialDescription.trim();
 
   // Identify each part of the content
   parts.forEach((section: string) => {