update docs

Author: dotansimha

docs/README.md

@@ -1,6 +1,7 @@
 ## Available Rules
 
 
+- [`avoid-typename-prefix`](./rules/avoid-typename-prefix.md)
 - [`no-unreachable-types`](./rules/no-unreachable-types.md)
 - [`no-deprecated`](./rules/no-deprecated.md)
 - [`unique-fragment-name`](./rules/unique-fragment-name.md)

docs/rules/avoid-typename-prefix.md

@@ -0,0 +1,30 @@
+# `avoid-typename-prefix`
+
+- Category: `Best Practices`
+- Rule name: `@graphql-eslint/avoid-typename-prefix`
+- Requires GraphQL Schema: `false` [ℹ️](../../README.md#extended-linting-rules-with-graphql-schema)
+- Requires GraphQL Operations: `false` [ℹ️](../../README.md#extended-linting-rules-with-siblings-operations)
+
+Enforces users to avoid using the type name in a field name while defining your schema.
+
+## Usage Examples
+
+### Incorrect
+
+```graphql
+# eslint @graphql-eslint/avoid-typename-prefix: ["error"]
+
+type User {
+  userId: ID!
+}
+```
+
+### Correct
+
+```graphql
+# eslint @graphql-eslint/avoid-typename-prefix: ["error"]
+
+type User {
+  id: ID!
+}
+```