setup org-refile to allow filing to root of an org-mode file as well as including *all* org-agenda-files as options ; adjustments to allow better helm completion were included in this (change org-outline-path-complete-in-steps for others if needed)

common/_global.el

@@ -261,6 +261,11 @@
 ; org mode - multiple agenda buffers
 (setq org-agenda-sticky t)
 
+; org show file name in refile, also allows refiling to the file as a top level headline
+(setq org-refile-use-outline-path 'file)
+(setq org-outline-path-complete-in-steps nil)
+(setq org-refile-allow-creating-parent-nodes 'confirm)
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; set font for emoji -- DOES NOT WORK ON MOBILE
 (when (eq system-type 'windows-nt)

org/config-org-agendas.el

@@ -98,6 +98,11 @@
 ))
 )
 
+; use *all* org agenda files as refile targets
+(setq org-refile-targets
+      '((nil :maxlevel . 3)
+        (org-agenda-files :maxlevel . 3)))
+
 (require 'org-super-agenda)
 (org-super-agenda-mode)