Added reuse information (#782)

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/components/application-loader/application-loader.scss

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 .loader {
   @keyframes animation-roll {
     0%   { transform: translateX(calc(-100vw / 2 - 100%))   rotateZ(0deg);   }

src/components/application-loader/application-loader.tsx

@@ -1,3 +1,9 @@
+/*
+SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
 import React, { Suspense, useCallback, useEffect, useState } from 'react'
 import { useLocation } from 'react-router'
 import './application-loader.scss'

src/components/application-loader/initializers/configLoader.ts

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import { getConfig } from '../../../api/config'
 import { setApiUrl } from '../../../redux/api-url/methods'
 import { setBanner } from '../../../redux/banner/methods'

src/components/application-loader/initializers/i18n.ts

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import i18n from 'i18next'
 import LanguageDetector from 'i18next-browser-languagedetector'
 import Backend from 'i18next-http-backend'

src/components/application-loader/initializers/index.ts

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
 import { loadAllConfig } from './configLoader'
 import { setUpI18n } from './i18n'
 

src/components/application-loader/loading-screen.tsx

@@ -1,3 +1,9 @@
+/*
+SPDX-FileCopyrightText: 2020 The HedgeDoc developers (see AUTHORS file)
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
 import React from 'react'
 import { Alert } from 'react-bootstrap'
 import { HedgeDocLogo, HedgeDocLogoSize } from '../common/hedge-doc-logo/hedge-doc-logo'