Include docs of plugins

doc/dhall.txt

@@ -0,0 +1,43 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'dhall') == -1
+
+*dhall* Dhall syntax highlighting for Vim
+                        ____
+=====================================================================
+CONTENTS                                              *DhallContents*
+
+    1. Config ......................................... ❘DhallConfig❘
+    2. License ....................................... ❘DhallLicense❘
+
+======================================================================
+Section 1: Config                                        *DhallConfig*
+
+----------------------------------------------------------------------
+                                                 *'g:dhall_use_ctags'*
+Values: 0, 1
+Default: ''
+
+Generate tags file for vim on write, using universal ctags. >
+    let g:dhall_use_ctags=1
+<
+
+                                                    *'g:dhall_format'*
+Values: 0, 1
+Default: ''
+
+Format Dhall files on write >
+    let g:dhall_format=1
+<
+                                          *'g:dhall_strip_whitespace'*
+Values: 0, 1
+Default: ''
+
+To enable whitespace stripping >
+    let g:dhall_strip_whitespace=1
+<
+
+======================================================================
+Section 2: License                                      *DhallLicense*
+
+This plugin is licensed under the BDS3 license.
+
+endif