feat: add zig queries (#371)

after/queries/zig/matchup.scm

@@ -0,0 +1,21 @@
+; inherits: quote
+
+(function_declaration
+  "fn" @open.function) @scope.function
+(return_expression
+  "return" @mid.function.1)
+
+; 'else' and 'else if'
+(else_clause
+  "else" @_start (if_statement "if" @_end)?
+  (#make-range! "mid.if.1" @_start @_end))
+
+; if
+((if_statement
+  "if" @open.if) @scope.if
+ (#not-has-parent? @scope.if else_clause))
+
+; Loops
+(while_statement "while" @open.loop) @scope.loop
+(break_expression "break" @mid.loop.1)
+(continue_expression "continue" @mid.loop.2)