feat(treesitter): bundle markdown parser and queries (#22481)

* bundle split Markdown parser from https://github.com/MDeiml/tree-sitter-markdown
* add queries from https://github.com/nvim-treesitter/nvim-treesitter/tree/main
* upstream `#trim!` and `#inject-language!` directives

Co-authored-by: dundargoc <gocdundar@gmail.com>

runtime/queries/markdown/folds.scm

@@ -0,0 +1,9 @@
+(
+  [
+    (fenced_code_block)
+    (indented_code_block)
+    (list)
+    (section)
+  ] @fold
+  (#trim! @fold)
+)

runtime/queries/markdown/highlights.scm

@@ -0,0 +1,63 @@
+;From MDeiml/tree-sitter-markdown & Helix
+(setext_heading (paragraph) @text.title.1 (setext_h1_underline) @text.title.1.marker)
+(setext_heading (paragraph) @text.title.2 (setext_h2_underline) @text.title.2.marker)
+
+(atx_heading (atx_h1_marker) @text.title.1.marker (inline) @text.title.1)
+(atx_heading (atx_h2_marker) @text.title.2.marker (inline) @text.title.2)
+(atx_heading (atx_h3_marker) @text.title.3.marker (inline) @text.title.3)
+(atx_heading (atx_h4_marker) @text.title.4.marker (inline) @text.title.4)
+(atx_heading (atx_h5_marker) @text.title.5.marker (inline) @text.title.5)
+(atx_heading (atx_h6_marker) @text.title.6.marker (inline) @text.title.6)
+
+(link_title) @text.literal
+(indented_code_block) @text.literal.block
+((fenced_code_block) @text.literal.block (#set! "priority" 90))
+
+(info_string) @label
+
+(pipe_table_header (pipe_table_cell) @text.title)
+
+(pipe_table_header "|" @punctuation.special)
+(pipe_table_row "|" @punctuation.special)
+(pipe_table_delimiter_row "|" @punctuation.special)
+(pipe_table_delimiter_cell) @punctuation.special
+
+[
+  (fenced_code_block_delimiter)
+] @punctuation.delimiter
+
+(code_fence_content) @none
+
+[
+  (link_destination)
+] @text.uri
+
+[
+  (link_label)
+] @text.reference
+
+[
+  (list_marker_plus)
+  (list_marker_minus)
+  (list_marker_star)
+  (list_marker_dot)
+  (list_marker_parenthesis)
+  (thematic_break)
+] @punctuation.special
+
+
+(task_list_marker_unchecked) @text.todo.unchecked
+(task_list_marker_checked) @text.todo.checked
+
+(block_quote) @text.quote
+
+[
+  (block_continuation)
+  (block_quote_marker)
+] @punctuation.special
+
+[
+  (backslash_escape)
+] @string.escape
+
+(inline) @spell

runtime/queries/markdown/injections.scm

@@ -0,0 +1,26 @@
+(fenced_code_block
+  (info_string
+    (language) @_lang)
+  (code_fence_content) @injection.content
+  (#inject-language! @_lang))
+
+((html_block) @injection.content 
+ (#set! injection.language "html")
+ (#set! injection.combined)
+ (#set! injection.include-children))
+
+((minus_metadata) @injection.content 
+ (#set! injection.language "yaml") 
+ (#offset! @injection.content 1 0 -1 0)
+ (#set! injection.include-children))
+
+((plus_metadata) @injection.content 
+ (#set! injection.language "toml") 
+ (#offset! @injection.content 1 0 -1 0)
+ (#set! injection.include-children))
+
+([
+  (inline)
+  (pipe_table_cell)
+ ] @injection.content
+ (#set! injection.language "markdown_inline"))

runtime/queries/markdown_inline/highlights.scm

@@ -0,0 +1,92 @@
+;; From MDeiml/tree-sitter-markdown
+[
+  (code_span)
+  (link_title)
+] @text.literal @nospell
+
+[
+  (emphasis_delimiter)
+  (code_span_delimiter)
+] @punctuation.delimiter
+
+(emphasis) @text.emphasis
+
+(strong_emphasis) @text.strong
+
+(strikethrough) @text.strike
+
+[
+  (link_destination)
+  (uri_autolink)
+] @text.uri @nospell
+
+[
+  (link_label)
+  (link_text)
+  (image_description)
+] @text.reference
+
+[
+  (backslash_escape)
+  (hard_line_break)
+] @string.escape
+
+(image "!" @punctuation.special)
+(image ["[" "]" "(" ")"] @punctuation.bracket)
+(inline_link ["[" "]" "(" ")"] @punctuation.bracket)
+(shortcut_link ["[" "]"] @punctuation.bracket)
+
+; Conceal codeblock and text style markers
+([
+  (code_span_delimiter)
+  (emphasis_delimiter)
+] @conceal
+(#set! conceal ""))
+
+; Conceal inline links
+(inline_link
+  [
+    "["
+    "]"
+    "("
+    (link_destination)
+    ")"
+  ] @conceal
+  (#set! conceal ""))
+
+; Conceal image links
+(image
+  [
+    "!"
+    "["
+    "]"
+    "("
+    (link_destination)
+    ")"
+  ] @conceal
+  (#set! conceal ""))
+
+; Conceal full reference links
+(full_reference_link
+  [
+    "["
+    "]"
+    (link_label)
+  ] @conceal
+  (#set! conceal ""))
+
+; Conceal collapsed reference links
+(collapsed_reference_link
+  [
+    "["
+    "]"
+  ] @conceal
+  (#set! conceal ""))
+
+; Conceal shortcut links
+(shortcut_link
+  [
+    "["
+    "]"
+  ] @conceal
+  (#set! conceal ""))

runtime/queries/markdown_inline/injections.scm

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+((html_tag) @injection.content
+ (#set! injection.language "html")
+ (#set! injection.combined)
+ (#set! injection.include-children))
+
+((latex_block) @injection.content
+ (#set! injection.language "latex")
+ (#set! injection.include-children))