feat(image): match latex code tag for math preview (#945)

* feat(image): match latex code tag for math preview

* feat(image): match latex code tag for math preview

* feat(ts): Match latex_env for image rendering

Author: js0ny

queries/org/images.scm

@@ -6,8 +6,22 @@
 (block
   name: (expr) @name
   parameter: (expr) @lang
-  contents: (contents (expr) @image.content)
+  contents: (contents) @image.content
   (#match? @name "(src|SRC)")
-  (#eq? @lang "math")
+  (#match? @lang "(math|latex)")
   (#set! injection.language "latex")
   (#set! image.ext "math.tex"))
+
+
+(block
+  name: (expr) @name
+  contents: (contents) @image.content
+  (#match? @name "(equation|EQUATION)")
+  (#set! injection.language "latex")
+  (#set! image.ext "math.tex"))
+
+(latex_env
+  (contents) @image.content
+  (#set! injection.language "latex")
+  (#set! image.ext "math.tex"))
+