added zk and markdown

after/syntax/markdown.vim

@@ -0,0 +1,6 @@
+" markdownWikiLink is a new region
+syn region markdownWikiLink matchgroup=markdownLinkDelimiter start="\[\[" end="\]\]" contains=markdownUrl keepend oneline concealends
+" markdownLinkText is copied from runtime files with 'concealends' appended
+syn region markdownLinkText matchgroup=markdownLinkTextDelimiter start="!\=\[\%(\%(\_[^][]\|\[\_[^][]*\]\)*]\%( \=[[(]\)\)\@=" end="\]\%( \=[[(]\)\@=" nextgroup=markdownLink,markdownId skipwhite contains=@markdownInline,markdownLineStart concealends
+" markdownLink is copied from runtime files with 'conceal' appended
+syn region markdownLink matchgroup=markdownLinkDelimiter start="(" end=")" contains=markdownUrl keepend contained conceal

ftplugin/markdown.lua

@@ -0,0 +1,28 @@
+-- Add the key mappings only for Markdown files in a zk notebook.
+if require('zk.util').notebook_root(vim.fn.expand('%:p')) ~= nil then
+  local function map(...) vim.api.nvim_buf_set_keymap(0, ...) end
+  local opts = { noremap = true, silent = false }
+
+  -- Create a new note after asking for its title.
+  -- This overrides the global `<leader>zn` mapping to create the note in the same directory as the current buffer.
+  vim.keymap.set('n', '<leader>zn', "<Cmd>ZkNew { dir = vim.fn.expand('%:p:h'), title = vim.fn.input('Title: ') }<CR>",
+    { noremap = true, silent = false, desc = 'Create a new note' })
+  -- Create a new note in the same directory as the current buffer, using the current selection for title.
+  vim.keymap.set('v', '<leader>znt', ":'<,'>ZkNewFromTitleSelection { dir = vim.fn.expand('%:p:h') }<CR>",
+    { noremap = true, silent = false, desc = 'Create a new note' })
+  -- Create a new note in the same directory as the current buffer, using the current selection for note content and asking for its title.
+  map('v', '<leader>znc',
+    ":'<,'>ZkNewFromContentSelection { dir = vim.fn.expand('%:p:h'), title = vim.fn.input('Title: ') }<CR>", opts)
+
+  -- Open notes linking to the current buffer.
+  map('n', '<leader>zb', '<Cmd>ZkBacklinks<CR>', opts)
+  -- Alternative for backlinks using pure LSP and showing the source context.
+  --map('n', '<leader>zb', '<Cmd>lua vim.lsp.buf.references()<CR>', opts)
+  -- Open notes linked by the current buffer.
+  map('n', '<leader>zl', '<Cmd>ZkLinks<CR>', opts)
+
+  -- Preview a linked note.
+  map('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  -- Open the code actions for a visual selection.
+  map('v', '<leader>za', ":'<,'>lua vim.lsp.buf.range_code_action()<CR>", opts)
+end

lua/plugins/treesitter.lua

@@ -7,7 +7,7 @@ return {
       ensure_installed = 'all',
       highlight = {
         enable = true,
-        additional_vim_regex_highlighting = false
+        additional_vim_regex_highlighting = {'markdown'}
       },
       rainbow = {
         enable = true,

lua/plugins/zk.lua

@@ -0,0 +1,11 @@
+return {
+  'mickael-menu/zk-nvim',
+  config = function()
+    require('zk').setup({
+      picker = 'telescope',
+      config = {
+        on_attach = require('plugins.lspconfig').on_attach
+      }
+    })
+  end
+}