[frontend] Restructure Frontend Sources (#634)

* 🐸restructure frontend stuff, include admin and future user panel in main repo, properly deduplicate bundles for css+js across uses

* rename bundled to dist, caught by gitignore

* re-include status.css for profile template

* default to localhost

* serve frontend panels

* add todo message for abstraction

* refactor oauth registration flow

* oauth restructure

* update footer template

* change panel routes

* remove superfluous css imports

* write bundle to disk from test server, use forked budo-express

* wrap all page content in container

for robustness with addons etc injection other elements in body

* update documentation, goreleaser, Dockerfile

* update template meta tags

* add AGPL-3.0+ license header everywhere

* only attach update listener on EventEmitter

* cleaner config for various frontend bundles

* fix bundler script paths

* Merge commit 'd191931932'

* fix up dockerfile, goreleaser

* go mod tidy

* add uglifyify

* move status hide/show js to frontend bundle

* fix stylesheet color( func regressions

* update contributing docs for new build path

* update goreleaser + docker building

* resolve dependency paths properly

* update package name

* use api errorhandler

Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>

web/source/panels/admin/index.js

@@ -0,0 +1,95 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+"use strict";
+
+const Promise = require("bluebird");
+const React = require("react");
+const ReactDom = require("react-dom");
+
+const oauthLib = require("../../lib/oauth.js");
+const Auth = require("./auth");
+const Settings = require("./settings");
+const Blocks = require("./blocks");
+
+require("./style.css");
+
+function App() {
+	const [oauth, setOauth] = React.useState();
+	const [hasAuth, setAuth] = React.useState(false);
+	const [oauthState, setOauthState] = React.useState(localStorage.getItem("oauth"));
+
+	React.useEffect(() => {
+		let state = localStorage.getItem("oauth");
+		if (state != undefined) {
+			state = JSON.parse(state);
+			let restoredOauth = oauthLib(state.config, state);
+			Promise.try(() => {
+				return restoredOauth.callback();
+			}).then(() => {
+				setAuth(true);
+			});
+			setOauth(restoredOauth);
+		}
+	}, []);
+
+	if (!hasAuth && oauth && oauth.isAuthorized()) {
+		setAuth(true);
+	}
+
+	if (oauth && oauth.isAuthorized()) {
+		return <AdminPanel oauth={oauth} />;
+	} else if (oauthState != undefined) {
+		return "processing oauth...";
+	} else {
+		return <Auth setOauth={setOauth} />;
+	}
+}
+
+function AdminPanel({oauth}) {
+	/* 
+		Features: (issue #78)
+		- [ ] Instance information updating
+			  GET /api/v1/instance PATCH /api/v1/instance
+		- [ ] Domain block creation, viewing, and deletion
+			  GET /api/v1/admin/domain_blocks
+			  POST /api/v1/admin/domain_blocks
+			  GET /api/v1/admin/domain_blocks/DOMAIN_BLOCK_ID, DELETE /api/v1/admin/domain_blocks/DOMAIN_BLOCK_ID
+		- [ ] Blocklist import/export
+			  GET /api/v1/admin/domain_blocks?export=true
+			  POST json file as form field domains to /api/v1/admin/domain_blocks
+	*/
+
+	return (
+		<React.Fragment>
+			<Logout oauth={oauth}/>
+			<Settings oauth={oauth} />
+			<Blocks oauth={oauth}/>
+		</React.Fragment>
+	);
+}
+
+function Logout({oauth}) {
+	return (
+		<div>
+			<button onClick={oauth.logout}>Logout</button>
+		</div>
+	);
+}
+
+ReactDom.render(<App/>, document.getElementById("root"));