Fixes dates, adds media sponsor (#38) (#15792)

Author: GeoffCraig

data/events/2026/nashville/main.yml

@@ -120,6 +120,8 @@ sponsors:
    level: media
  - id: oreilly
    level: media
+ - id: softwaredefinedtalk
+   level: media
 
 sponsors_accepted : "yes" # Whether you want "Become a XXX Sponsor!" link
 
@@ -150,137 +152,137 @@ sponsor_levels:
 program:
   - title: "Registration, Breakfast, Sponsors"
     type: custom
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "08:00"
     end_time: "09:00"
   - title: "Opening Welcome"
     type: custom
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "09:00"
     end_time: "09:15"
   - title: "robert-hoffman"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "09:15"
     end_time: "10:00"
   - title: "elissa-shevinsky"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "10:00"
     end_time: "10:30"
   - title: "Break"
     type: custom
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "10:30"
     end_time: "10:45"
   - title: "scott-stroz"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "10:45"
     end_time: "11:15"
   - title: "Sponsors"
     type: custom
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "11:15"
     end_time: "11:30"
   - title: "reserved"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "11:30"
     end_time: "12:00"
   - title: "Open Spaces Introduction"
     type: open-space
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "12:00"
     end_time: "12:15"
   - title: "Lunch"
     type: custom
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "12:15"
     end_time: "13:30"
   - title: "Open Spaces Part One - Networking"
     type: open-space
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "13:30"
     end_time: "14:00"
   - title: "reserved"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "14:00"
     end_time: "14:40"  
   - title: "michael-anthony"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "14:40"
     end_time: "15:10"  
   - title: "mike-noe"
     type: talk
-    date: 2026-04-14
+    date: 2026-05-14
     start_time: "15:10"
     end_time: "17:00"
 
   - title: "Registration, Breakfast, Sponsors"
     type: custom
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "08:00"
     end_time: "09:00"
   - title: "Opening Welcome"
     type: custom
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "09:00"
     end_time: "09:10"
   - title: "tyler-welton"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "09:10"
     end_time: "10:00"
   - title: "reserved"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "10:00"
     end_time: "10:30"
   - title: "Break"
     type: custom
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "10:30"
     end_time: "10:45"
   - title: "chris-lee"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "10:45"
     end_time: "11:15"
   - title: "reserved"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "11:15"
     end_time: "11:45"
   - title: "Getting Ready for Open Spaces"
     type: open-space
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "11:45"
     end_time: "12:00"
   - title: "Lunch"
     type: custom
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "12:00"
     end_time: "13:15"
   - title: "Open Spaces Part Two - Tech Talk"
     type: open-space
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "13:15"
     end_time: "14:15"
   - title: "camilla-martins"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "14:15"
     end_time: "14:45"
   - title: "reserved"
     type: talk
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "14:45"
     end_time: "15:15"
   - title: "Closing - Sponsor Raffles and Prizes"
     type: custom
-    date: 2026-04-15
+    date: 2026-05-15
     start_time: "15:15"
     end_time: "16:00"