Add generic TODO file

doc/TODO

@@ -0,0 +1,29 @@
+# Cadence tools TODO
+
+-------------------
+- GENERAL -
+
+Artwork:
+  - Add tools icons (logs, xy, meter)
+
+GUI:
+  - Check shortcut consistency
+
+-------------------
+- APPS -
+
+Catia:
+ - Add ALSA-MIDI option via settings, label it experimental
+
+Claudia:
+ - Cleanup DB
+ - Auto-recover crashes
+
+-------------------
+- MODULES -
+
+PatchCanvas:
+  - Implement export to Catarina file
+
+Systray:
+  - Implement hide-on-close