[frontend] Custom Emoji Deletion (#994)

* re-add eslint

* fix oauth url getting too long

* actually attach single emoji get and delete routes

* basic emoji details + deletion using rtk query

* refactor emoji upload to rtk query

* clean up old redux api+reducers for custom emoji

* fix validation order

* refactor custom emoji form fields

* remove unused requires

* cleanup, fix most eslint errors

* more small eslint fixes

* fix max emoji size

* tiny bit of function documentation

web/source/settings/admin/emoji/index.js

@@ -0,0 +1,40 @@
+/*
+	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 React = require("react");
+const {Switch, Route} = require("wouter");
+
+const EmojiOverview = require("./overview");
+const EmojiDetail = require("./detail");
+
+const base = "/settings/admin/custom-emoji";
+
+module.exports = function CustomEmoji() {
+	return (
+		<>
+			<Switch>
+				<Route path={`${base}/:emojiId`}>
+					<EmojiDetail />
+				</Route>
+				<EmojiOverview />
+			</Switch>
+		</>
+	);
+};