Improve check-queries (#1253)

- Add checks for injections.
- Allow queries that start with [A-Z] for highlights only.
- Don't stop on the first error, finish checking all queries.

queries/julia/injections.scm

@@ -1,4 +1,5 @@
-((triple_string) @markdown
-  (#offset! @markdown 0 3 0 -3))
+; TODO: re-add when markdown is added.
+; ((triple_string) @markdown
+;   (#offset! @markdown 0 3 0 -3))
 
 (comment) @comment

queries/rst/injections.scm

@@ -40,10 +40,11 @@
    body: (body (content) @latex))
  (#eq? @_type "math"))
 
-((directive
-   name: (type) @_type
-   body: (body (content) @csv))
- (#eq? @_type "csv-table"))
+; TODO: re-add when a parser for csv is added.
+; ((directive
+;    name: (type) @_type
+;    body: (body (content) @csv))
+;  (#eq? @_type "csv-table"))
 
 ;; Special roles - prefix