message: Encoding git blobs correctly in tinylicious
diff: import fs from "fs";
  import { IBlob, ICreateBlobParams, ICreateBlobResponse } from "@fluidframework/gitresources";
  +import { Uint8ArrayToString } from "@fluidframework/common-utils";
  import { Router } from "express";
  import * as git from "isomorphic-git";
  import nconf from "nconf";
  @@ -44,7 +45,7 @@ export async function getBlob(
  url: "",
  sha,
  size: buffer.length,
  - content: buffer.toString("base64"),
  + content: Uint8ArrayToString(buffer, "base64"),
  encoding: "base64",
  };
  