feat!: drop modules, general refactor and cleanup

runtime/queries/julia/injections.scm

@@ -0,0 +1,42 @@
+; Inject markdown in docstrings
+((string_literal
+  (content) @injection.content)
+  .
+  [
+    (module_definition)
+    (abstract_definition)
+    (struct_definition)
+    (function_definition)
+    (macro_definition)
+    (assignment)
+    (const_statement)
+    (call_expression)
+    (identifier)
+  ]
+  (#set! injection.language "markdown"))
+
+; Inject comments
+([
+  (line_comment)
+  (block_comment)
+] @injection.content
+  (#set! injection.language "comment"))
+
+; Inject regex in r"..." and r"""...""" (e.g. r"hello\bworld")
+(prefixed_string_literal
+  prefix: (identifier) @_prefix
+  (content) @injection.content
+  (#eq? @_prefix "r")
+  (#set! injection.language "regex"))
+
+; Inject markdown in md"..." and md"""...""" (e.g. md"**Bold** and _Italics_")
+(prefixed_string_literal
+  prefix: (identifier) @_prefix
+  (content) @injection.content
+  (#eq? @_prefix "md")
+  (#set! injection.language "markdown"))
+
+; Inject bash in `...` and ```...``` (e.g. `git add --help`)
+(command_literal
+  (content) @injection.content
+  (#set! injection.language "bash"))