Add help text and alignment fixes to changelog

Author: code-asher

CHANGELOG.md

@@ -4,6 +4,11 @@
 
 ## Unreleased
 
+### Fixed
+- the help text under the IDE dropdown now takes into account whether the IDE is
+  already installed
+- various minor alignment issues
+
 ### Fixed
 - reading an existing config would sometimes use the wrong directory on Linux
 - two separate SSH sessions would spawn when connecting to a workspace through