docs: add changeset for the fix change

Author: JounQin

.changeset/empty-donuts-destroy.md

@@ -0,0 +1,11 @@
+---
+"@graphql-eslint/eslint-plugin": patch
+---
+
+fix: original file should not be considered as file block
+
+Related #88
+
+ESLint supports `text` directly, no need to use the hacky way. See https://github.com/eslint/eslint/blob/master/lib/linter/linter.js#L1298
+
+Related `eslint-plugin-prettier`'s issue hae been fixed at https://github.com/prettier/eslint-plugin-prettier/pull/401