Updated FAQs for Nebula (#5951)

Signed-off-by: samina <57885104+saminacodes@users.noreply.github.com>

Author: saminacodes

apps/portal/src/app/nebula/faqs/page.mdx

@@ -1,5 +1,13 @@
 # Nebula FAQs
 
+### I am still waiting on access to Nebula. How can I be approved?
+
+We are rolling out Nebula approval in batches daily - stay tuned! 
+
+### Will Nebula be open source?
+
+Nebula is not currently open source. We are exploring open sourcing Nebula in the future.
+
 ### When will pricing be available for Nebula?
 
-Pricing options will be available in beta (estimated mid January 2025).
+Pricing options will be available in beta (estimated mid January 2025).