v0.3.0

New:

• Variable editor mode along with hinter (typeahead) and linter (#12). Features enabled:
  • Better syntax highlighting, showing variables and input object fields colored the same as the query editor.
  • Improved syntax error reporting.
  • When a schema and query both exist, variable linting and hinting are enabled:
    • Typeahead variable names as top-level object keys.
    • Typeahead enum values & booleans.
    • Typeahead input object fields.
    • Warn for typo'd variables.
    • Warn for missing required input object fields.
    • Warn for incorrect values for a typed variable.