Move Nix files back to the root of the project

pkgs/notes/create-daily-notes.patch

@@ -0,0 +1,13 @@
+diff --git a/notes b/notes
+index 3351903..34364bf 100755
+--- a/notes
++++ b/notes
+@@ -14,7 +14,7 @@ set -e
+ readonly NOTES_DIRECTORY="${NOTES_DIRECTORY:-${HOME}/notes}"
+ readonly NOTES_EDITOR="${EDITOR}"
+ 
+-readonly NOTES_FILE="$(date +%Y-%m).txt"
++readonly NOTES_FILE="$(date +%Y-%m-%d).txt"
+ readonly NOTES_PATH="${NOTES_DIRECTORY}/${NOTES_FILE}"
+ 
+ if [ ! -d "${NOTES_DIRECTORY}" ]; then