fix(providers): add default id_token_signed_response_alg to LINE (#3059)

* Add default value for client in Line Provider

* Migrate to TypeScript

Author: ThangHuuVu

src/providers/line.js

@@ -0,0 +1,38 @@
+import { OAuthConfig, OAuthUserConfig } from "."
+
+export interface LineProfile {
+    iss: string;
+    sub: string;
+    aud: string;
+    exp: number;
+    iat: number;
+    amr: string[];
+    name: string;
+    picture: string;
+    user: any;
+}
+
+export default function LINE<
+  P extends Record<string, any> = LineProfile
+>(options: OAuthUserConfig<P>): OAuthConfig<P> {
+  return {
+    id: "line",
+    name: "LINE",
+    type: "oauth",
+    authorization: { params: { scope: "openid profile" } },
+    idToken: true,
+    wellKnown: "https://access.line.me/.well-known/openid-configuration",
+    profile(profile) {
+      return {
+        id: profile.sub,
+        name: profile.name,
+        email: profile.email,
+        image: profile.picture,
+      }
+    },
+    client: {
+      id_token_signed_response_alg: "HS256",
+    },
+    options
+  }
+}