feat: standardize slot ids (#1854)

src/plugin-slots/AdditionalCourseContentPluginSlot/README.md

@@ -0,0 +1,6 @@
+# AdditionalCourseContentPluginSlot
+
+### Slot ID: `org.openedx.frontend.authoring.additional_course_content_plugin.v1`
+
+### Slot ID Aliases
+* `additional_course_content_plugin`

src/plugin-slots/AdditionalCourseContentPluginSlot/__snapshots__/index.test.jsx.snap

@@ -0,0 +1,12 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AdditionalCourseContentPluginSlot renders 1`] = `
+<PluginSlot
+  id="org.openedx.frontend.authoring.additional_course_content_plugin.v1"
+  idAliases={
+    [
+      "additional_course_content_plugin",
+    ]
+  }
+/>
+`;

src/plugin-slots/AdditionalCourseContentPluginSlot/index.test.jsx

@@ -0,0 +1,15 @@
+import { shallow } from '@edx/react-unit-test-utils';
+import { AdditionalCourseContentPluginSlot } from '.';
+
+jest.mock('@openedx/frontend-plugin-framework', () => ({
+  PluginSlot: 'PluginSlot',
+}));
+
+describe('AdditionalCourseContentPluginSlot', () => {
+  beforeEach(() => jest.resetAllMocks());
+
+  it('renders', () => {
+    const wrapper = shallow(<AdditionalCourseContentPluginSlot />);
+    expect(wrapper.snapshot).toMatchSnapshot();
+  });
+});

src/plugin-slots/AdditionalCourseContentPluginSlot/index.tsx

@@ -0,0 +1,9 @@
+import { PluginSlot } from '@openedx/frontend-plugin-framework/dist';
+import React from 'react';
+
+export const AdditionalCourseContentPluginSlot = () => (
+  <PluginSlot
+    id="org.openedx.frontend.authoring.additional_course_content_plugin.v1"
+    idAliases={['additional_course_content_plugin']}
+  />
+);