Add support for Vue files

I haven't included parsing the `style` tag, since the only applicable
queries we have are CSS (which actually works fine for SCSS too).

queries/vue/injections.scm

@@ -0,0 +1,19 @@
+((style_element
+  (raw_text) @css))
+
+; There's no queries for less, sass nor postcss.
+
+((script_element
+  (raw_text) @javascript))
+
+(
+  (script_element
+    (start_tag
+      (attribute
+        (quoted_attribute_value (attribute_value) @_lang)))
+    (raw_text) @typescript)
+  (#match? @_lang "(ts|typescript)")
+)
+
+((interpolation
+  (raw_text) @javascript))