fix: Definition for rule 'no-unreachable-types' was not found (#268)

Author: dnalborczyk

docs/README.md

@@ -1,6 +1,6 @@
 ## Available Rules
 
-
+- [`no-unreachable-types.md`](./no-unreachable-types.md)
 - [`no-deprecated`](./rules/no-deprecated.md)
 - [`unique-fragment-name`](./rules/unique-fragment-name.md)
 - [`unique-operation-name`](./rules/unique-operation-name.md)
@@ -55,4 +55,4 @@
 
 - [Writing Custom Rules](./custom-rules.md)
 - [How the parser works?](./parser.md)
-- [`parserOptions`](./parser-options.md)
+- [`parserOptions`](./parser-options.md)

packages/plugin/src/rules/index.ts

@@ -1,4 +1,5 @@
 import validate from './validate-against-schema';
+import noUnreachableTypes from './no-unreachable-types';
 import noAnonymousOperations from './no-anonymous-operations';
 import noOperationNameSuffix from './no-operation-name-suffix';
 import requireDeprecationReason from './require-deprecation-reason';
@@ -20,6 +21,7 @@ import { GraphQLESLintRule } from '../types';
 import { GRAPHQL_JS_VALIDATIONS } from './graphql-js-validation';
 
 export const rules: Record<string, GraphQLESLintRule> = {
+  'no-unreachable-types': noUnreachableTypes,
   'no-deprecated': noDeprecated,
   'unique-fragment-name': uniqueFragmentName,
   'unique-operation-name': uniqueOperationName,