Add slide deck for Git talk on JavaLand

Author: hannotify

.gitmodules

@@ -108,3 +108,6 @@
 [submodule "_slides/javas-concurrency-journey-continues/javaland-2026"]
 	path = _slides/javas-concurrency-journey-continues/javaland-2026
 	url = https://github.com/hannotify/javas-concurrency-journey-continues
+[submodule "_slides/will-git-be-around-forever/javaland-2026"]
+	path = _slides/will-git-be-around-forever/javaland-2026
+	url = https://github.com/hannotify/will-git-be-around-forever-a-list-of-possible-successors

_data/events.yml

@@ -78,6 +78,10 @@
       githubUrl: https://github.com/hannotify/structured-concurrency-bar
       slides:
         source: local
+    - id: will-git-be-around-forever
+      sessionPageUrl: https://meine.doag.org/events/javaland/2026/agenda/#eventDay.1773097200
+      slides:
+        source: local
 
 - id: jfokus-2026
   name: JFokus