Move release components into `list` directory

This commit rearranges the releases components to make way for a new
release-related page to be added: edit release.

This commit also deletes the `edit` index.js, as this page doesn't
exist.

app/assets/javascripts/pages/projects/releases/edit/index.js

-import $ from 'jquery';
-import initForm from '~/pages/projects/init_form';
-
-document.addEventListener('DOMContentLoaded', () => initForm($('.release-form')));

app/assets/javascripts/pages/projects/releases/index/index.js

-import initReleases from '~/releases';
+import initReleases from '~/releases/list';
 
 document.addEventListener('DOMContentLoaded', initReleases);

app/assets/javascripts/releases/components/release_block.vue → app/assets/javascripts/releases/list/components/release_block.vue

@@ -5,7 +5,7 @@ import { GlTooltipDirective, GlLink, GlBadge } from '@gitlab/ui';
 import Icon from '~/vue_shared/components/icon.vue';
 import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
 import timeagoMixin from '~/vue_shared/mixins/timeago';
-import { __, n__, sprintf } from '../../locale';
+import { __, n__, sprintf } from '~/locale';
 import { slugify } from '~/lib/utils/text_utility';
 import { getLocationHash } from '~/lib/utils/url_utility';
 import { scrollToElement } from '~/lib/utils/common_utils';

spec/frontend/releases/components/release_block_spec.js

 import { mount } from '@vue/test-utils';
-import ReleaseBlock from '~/releases/components/release_block.vue';
+import ReleaseBlock from '~/releases/list/components/release_block.vue';
 import timeagoMixin from '~/vue_shared/mixins/timeago';
 import { first } from 'underscore';
 import { release } from '../mock_data';

spec/javascripts/releases/components/app_spec.js

 import Vue from 'vue';
-import app from '~/releases/components/app.vue';
-import createStore from '~/releases/store';
+import app from '~/releases/list/components/app.vue';
+import createStore from '~/releases/list/store';
 import api from '~/api';
 import { mountComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
 import { resetStore } from '../store/helpers';

spec/javascripts/releases/store/actions_spec.js

@@ -3,9 +3,9 @@ import {
   fetchReleases,
   receiveReleasesSuccess,
   receiveReleasesError,
-} from '~/releases/store/actions';
-import state from '~/releases/store/state';
-import * as types from '~/releases/store/mutation_types';
+} from '~/releases/list/store/actions';
+import state from '~/releases/list/store/state';
+import * as types from '~/releases/list/store/mutation_types';
 import api from '~/api';
 import testAction from 'spec/helpers/vuex_action_helper';
 import { releases } from '../mock_data';

spec/javascripts/releases/store/helpers.js

-import state from '~/releases/store/state';
+import state from '~/releases/list/store/state';
 
 // eslint-disable-next-line import/prefer-default-export
 export const resetStore = store => {

spec/javascripts/releases/store/mutations_spec.js

-import state from '~/releases/store/state';
-import mutations from '~/releases/store/mutations';
-import * as types from '~/releases/store/mutation_types';
+import state from '~/releases/list/store/state';
+import mutations from '~/releases/list/store/mutations';
+import * as types from '~/releases/list/store/mutation_types';
 import { releases } from '../mock_data';
 
 describe('Releases Store Mutations', () => {