feat: ability to not conceal wikilink destination when there is an alias

## Details

New option can be set by:

```lua
require('render-markdown').setup({
    link = { wiki = { conceal_destination = false } },
})
```

Author: MeanderingProgrammer

README.md

@@ -819,6 +819,8 @@ require('render-markdown').setup({
             enabled = true,
             -- Inlined with content.
             icon = '󱗖 ',
+            -- Hide destination if there is an alias.
+            conceal_destination = true,
             -- Custom processing for WikiLink body to show.
             body = function()
                 return nil
@@ -1618,6 +1620,8 @@ require('render-markdown').setup({
             enabled = true,
             -- Inlined with content.
             icon = '󱗖 ',
+            -- Hide destination if there is an alias.
+            conceal_destination = true,
             -- Custom processing for WikiLink body to show.
             body = function()
                 return nil

doc/render-markdown.txt

@@ -1,4 +1,4 @@
-*render-markdown.txt*        For NVIM v0.12.1       Last change: 2026 April 12
+*render-markdown.txt*        For NVIM v0.12.1       Last change: 2026 April 20
 
 ==============================================================================
 Table of Contents                          *render-markdown-table-of-contents*
@@ -885,6 +885,8 @@ Default Configuration ~
                 enabled = true,
                 -- Inlined with content.
                 icon = '󱗖 ',
+                -- Hide destination if there is an alias.
+                conceal_destination = true,
                 -- Custom processing for WikiLink body to show.
                 body = function()
                     return nil
@@ -1664,6 +1666,8 @@ Link Configuration ~
                 enabled = true,
                 -- Inlined with content.
                 icon = '󱗖 ',
+                -- Hide destination if there is an alias.
+                conceal_destination = true,
                 -- Custom processing for WikiLink body to show.
                 body = function()
                     return nil

lua/render-markdown/health.lua

@@ -6,7 +6,7 @@ local state = require('render-markdown.state')
 local M = {}
 
 ---@private
-M.version = '8.12.10'
+M.version = '8.12.11'
 
 function M.check()
     M.start('versions')

lua/render-markdown/render/common/wiki.lua

@@ -65,7 +65,7 @@ function Render:run()
             })
         end
         -- hide destination if there is an alias
-        if alias then
+        if alias and config.conceal_destination then
             self:hide(start_col, #destination + 1)
         end
     else

lua/render-markdown/settings.lua

@@ -1265,6 +1265,7 @@ M.link = {}
 ---@class (exact) render.md.link.wiki.Config
 ---@field enabled boolean
 ---@field icon string
+---@field conceal_destination boolean
 ---@field body fun(ctx: render.md.link.wiki.Context): render.md.mark.Text|string?
 ---@field highlight string
 ---@field scope_highlight? string
@@ -1324,6 +1325,8 @@ M.link.default = {
         enabled = true,
         -- Inlined with content.
         icon = '󱗖 ',
+        -- Hide destination if there is an alias.
+        conceal_destination = true,
         -- Custom processing for WikiLink body to show.
         body = function()
             return nil
@@ -1400,6 +1403,7 @@ function M.link.schema()
             record = {
                 enabled = { type = 'boolean' },
                 icon = { type = 'string' },
+                conceal_destination = { type = 'boolean' },
                 body = { type = 'function' },
                 highlight = { type = 'string' },
                 scope_highlight = { optional = true, type = 'string' },

lua/render-markdown/types.lua

@@ -235,6 +235,7 @@
 ---@class (exact) render.md.link.wiki.UserConfig
 ---@field enabled? boolean
 ---@field icon? string
+---@field conceal_destination? boolean
 ---@field body? fun(ctx: render.md.link.wiki.Context): render.md.mark.Text|string?
 ---@field highlight? string
 ---@field scope_highlight? string