implement mastodon push permission

currently doesn't do anything, but it's necessary for masto-fe to be
able to sign in

packages/backend/src/server/api/ApiServerService.ts

@@ -70,7 +70,7 @@ export class ApiServerService {
 	}
 
 	@bindThis
-	public createMisskeyServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
+	private createMisskeyServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
 		for (const endpoint of endpoints) {
 			const ep = {
 				name: endpoint.name,
@@ -196,7 +196,7 @@ export class ApiServerService {
 	}
 
 	@bindThis
-	public createMastodonServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
+	private createMastodonServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
 		fastify.register(fastifyFormbody);
 
 		const createEndpoint = (endpoint: IMastodonEndpoint): IMastodonEndpoint & { exec: any } => ({