[WIP] Add cron-like job for periodic maintenance of settings db, update TODO.md

vendor/github.com/carlescere/scheduler/.gitignore

@@ -0,0 +1,27 @@
+# Editor stuff
+*.swp
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof