fix: Move content into to frontend directory

Doing this BEFORE the merge prevents a lot of merge conflicts.

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

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

@@ -1,39 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
- *
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import React, { useMemo } from 'react'
-import styles from './animations.module.scss'
-import { ForkAwesomeIcon } from '../../common/fork-awesome/fork-awesome-icon'
-import { IconRow } from './icon-row'
-import { createNumberRangeArray } from '../../common/number-range/number-range'
-
-export interface HedgeDocLogoProps {
-  error: boolean
-}
-
-/**
- * Shows a loading animation.
- *
- * @param error Defines if the error animation should be shown instead
- */
-export const LoadingAnimation: React.FC<HedgeDocLogoProps> = ({ error }) => {
-  const iconRows = useMemo(() => createNumberRangeArray(12).map((index) => <IconRow key={index} />), [])
-
-  return (
-    <div className={`position-relative ${error ? styles.error : ''}`}>
-      <div className={styles.logo}>
-        <div>
-          <ForkAwesomeIcon icon={'pencil'} className={styles.background} size={'5x'}></ForkAwesomeIcon>
-        </div>
-        <div className={`${styles.overlay}`}>
-          <ForkAwesomeIcon icon={'pencil'} size={'5x'}></ForkAwesomeIcon>
-        </div>
-      </div>
-      <div className={styles.pulse}></div>
-      <div className={styles.rows}>{iconRows}</div>
-    </div>
-  )
-}