Automatically register copilot-chat for treesitter markdown

And add render-markdown integration info

Signed-off-by: Tomas Slusny <[email protected]>

README.md

@@ -509,6 +509,21 @@ require('CopilotChat').setup({
 
 </details>
 
+<details>
+<summary>render-markdown integration</summary>
+
+Requires [render-markdown](https://github.com/MeanderingProgrammer/render-markdown.nvim) plugin to be installed.
+
+```lua
+require('render-markdown').setup({
+  file_types = { 'markdown', 'copilot-chat' },
+})
+```
+
+![image](https://github.com/user-attachments/assets/d8dc16f8-3f61-43fa-bfb9-83f240ae30e8)
+
+</details>
+
 ## Roadmap (Wishlist)
 
 - Use indexed vector database with current workspace for better context selection

lua/CopilotChat/chat.lua

@@ -43,6 +43,8 @@ local Chat = class(function(self, help, auto_insert, on_buf_create)
   self.separator = nil
   self.layout = nil
 
+  vim.treesitter.language.register('markdown', 'copilot-chat')
+
   self.buf_create = function()
     local bufnr = vim.api.nvim_create_buf(false, true)
     vim.api.nvim_buf_set_name(bufnr, 'copilot-chat')