Update issue templates

Author: dansbands

.github/ISSUE_TEMPLATE/jerseyscript-talk-submission.md

@@ -0,0 +1,22 @@
+---
+name: JerseyScript Talk Submission
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Talk Title:**
+
+**Talk Description:**
+
+**Name:**
+
+**Pronouns:**
+
+**Twitter Handle (optional):**
+
+**Website (optional):**
+
+**Months Available to Speak: We recommend selecting multiple months (up to 3) that you are available to speak. We'll keep your PR open throughout those months if you aren't accepted the first time!**