Add upload tool and related APIs (#187)

* Add utils for r2 upload

* Add the tool and new routes

* fix auth issue

* sign headers

* add comment

* use our own API key to auth signed uploads

* Restructure things slightly

* tweak

* tweak

* add comments

* tweak

* revert a thing

* twaek

* drop mime type filtering

* new incarnation of mime type filtering

* jsut allow all octet-streams

* simplify further

* tweak

* update lockfile

---------

Co-authored-by: Colin McDonnell <colinmcd94@gmail.com>

utils/body.ts

@@ -2,7 +2,7 @@ import TurndownService from "turndown";
 import type { PayloadEvent } from "../external.ts";
 import { log } from "./cli.ts";
 import type { OctokitWithPlugins } from "./github.ts";
-import type { RepoData } from "./repoData.ts";
+import type { RunContextData } from "./runContextData.ts";
 
 const turndown = new TurndownService();
 
@@ -14,7 +14,7 @@ function hasImages(body: string | null | undefined): boolean {
 interface ResolveBodyContext {
   event: PayloadEvent;
   octokit: OctokitWithPlugins;
-  repo: RepoData;
+  repo: RunContextData["repo"];
 }
 
 /**