Move lang/org => org/*

Since lang/org has grown (and is expected to grow much, much more), it
has been given its own module category.

Concerns #129, #138

modules/org/org-capture/autoload/org-capture.el

@@ -0,0 +1,17 @@
+;;; org/org-capture/autoload/org-capture.el -*- lexical-binding: t; -*-
+
+;;;###autoload
+(defun +org-capture/dwim (&optional string key)
+  "Sends STRING, the current selection or prompted input to `org-capture'.
+
+Uses the capture template specified by KEY. Otherwise, prompts you for one."
+  (interactive)
+  (let ((key (or key "n")))
+    (if-let (string (cond ((not (equal string ""))
+                           string)
+                          ((region-active-p)
+                           (buffer-substring-no-properties
+                            (region-beginning)
+                            (region-end)))))
+        (org-capture-string string key)
+      (org-capture nil key))))