Add comment language injection for supported languages (#39884)

Release Notes:

- Added comment language injections for builtin languages. This enables
highlighting of `TODO`s and similar notes with the comment extension
installed.

Signed-off-by: Donnie Adams <donnie@thedadams.com>

crates/languages/src/bash/injections.scm

@@ -0,0 +1,3 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)

crates/languages/src/c/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (preproc_def
     value: (preproc_arg) @injection.content
     (#set! injection.language "c"))

crates/languages/src/cpp/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (preproc_def
     value: (preproc_arg) @injection.content
     (#set! injection.language "c++"))

crates/languages/src/gitcommit/injections.scm

@@ -1,3 +1,7 @@
+((comment) @content
+ (#set! injection.language "comment")
+)
+
 ((scissors) @content
  (#set! "language" "diff"))
 

crates/languages/src/go/injections.scm

@@ -1,4 +1,8 @@
 ; Refer to https://github.com/nvim-treesitter/nvim-treesitter/blob/master/queries/go/injections.scm#L4C1-L16C41
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (call_expression
   (selector_expression) @_function
   (#any-of? @_function

crates/languages/src/javascript/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (((comment) @_jsdoc_comment
   (#match? @_jsdoc_comment "(?s)^/[*][*][^*].*[*]/$")) @injection.content
   (#set! injection.language "jsdoc"))

crates/languages/src/python/injections.scm

@@ -0,0 +1,3 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)

crates/languages/src/tsx/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (((comment) @_jsdoc_comment
   (#match? @_jsdoc_comment "(?s)^/[*][*][^*].*[*]/$")) @injection.content
   (#set! injection.language "jsdoc"))

crates/languages/src/typescript/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (((comment) @_jsdoc_comment
   (#match? @_jsdoc_comment "(?s)^/[*][*][^*].*[*]/$")) @injection.content
   (#set! injection.language "jsdoc"))

crates/languages/src/yaml/injections.scm

@@ -0,0 +1,3 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)

extensions/html/languages/html/injections.scm

@@ -1,3 +1,7 @@
+((comment) @injection.content
+ (#set! injection.language "comment")
+)
+
 (script_element
   (raw_text) @injection.content
   (#set! injection.language "javascript"))