feat: add what's left slide content

Author: cmgriffing-at-gitkraken

pages/how-we-migrated.md

@@ -40,6 +40,18 @@ transition: fade-out
 transition: slide-left
 ---
 
-# Current Progress
-
-SOME IMAGE OR TEXT
+# What's left?
+
+non-exhaustive list
+
+- x509 commit signing
+- delete local tag
+- stash (in progress)
+- partial stash
+- interactive rebase (in progress)
+- reword commit
+- amend commit
+- patch
+- local branch actions
+- remote branch actions
+- blame