doc: Use borderless tables

doc/kiln.1.scd

@@ -24,7 +24,7 @@ There is only one default task called "gemini" which builds a Gemini site.
 
 The following directories are used by default:
 
-[[ *Directory*
+|[ *Directory*
 :[ *Description*
 |  content/
 :  Content directory
@@ -45,7 +45,7 @@ information on TOML, see https://toml.io/en/v0.4.0.
 
 The following keys are supported:
 
-[[ *Key*
+|[ *Key*
 :[ *Description*
 |  title
 :  Site title
@@ -61,7 +61,7 @@ Tasks can be specified in the [tasks] table. Each task must have a unique name.
 
 The following keys are supported per task:
 
-[[ *Key*
+|[ *Key*
 :[ *Description*
 |  input_ext
 :  Input file extension
@@ -158,7 +158,7 @@ this directory.
 The template directory contains templates for use when building the site.
 Templates use the Go templating language. The following templates are supported:
 
-[[ *Template*
+|[ *Template*
 :[ *Description*
 |  page.gmi
 :  Page template
@@ -182,7 +182,7 @@ https://golang.org/pkg/text/template/.
 
 All templates have the following functions available to them:
 
-[[ *Function*
+|[ *Function*
 :[ *Description*
 |  site
 :  Returns site metadata
@@ -191,7 +191,7 @@ All templates have the following functions available to them:
 
 Site metadata contains the following data:
 
-[[ *Variable*
+|[ *Variable*
 :[ *Description*
 |  Title
 :  The title of the site.
@@ -204,7 +204,7 @@ To configure these variables, see *CONFIGURATION*.
 
 Page templates are provided with the following data:
 
-[[ *Variable*
+|[ *Variable*
 :[ *Description*
 |  Title
 :  The title of the page
@@ -227,7 +227,7 @@ lines will be removed from the page content.
 
 Index templates are provided with the following data:
 
-[[ *Variable*
+|[ *Variable*
 :[ *Description*
 |  Title
 :  Title of the directory
@@ -267,7 +267,7 @@ Example feed configuration:
 
 Feed templates are provided with the following data:
 
-[[ *Variable*
+|[ *Variable*
 :[ *Description*
 |  Title
 :  Title of the feed