plugins: use src-relative imports

plugins/home-page/src/components/HomePage/HomePage.tsx

@@ -16,7 +16,7 @@
 
 import React, { FC } from 'react';
 import { Typography, Link, Grid } from '@material-ui/core';
-import HomePageTimer from '../HomepageTimer';
+import HomePageTimer from 'components/HomepageTimer';
 import { Content, InfoCard, Header, Page, pageTheme } from '@backstage/core';
 import SquadTechHealth from './SquadTechHealth';
 import Table from '@material-ui/core/Table';

plugins/home-page/src/plugin.ts

@@ -15,7 +15,7 @@
  */
 
 import { createPlugin } from '@backstage/core';
-import HomePage from './components/HomePage';
+import HomePage from 'components/HomePage';
 
 export default createPlugin({
   id: 'home-page',

plugins/welcome/src/components/WelcomePage/WelcomePage.tsx

@@ -24,7 +24,7 @@ import {
   ListItemText,
   Link,
 } from '@material-ui/core';
-import Timer from '../Timer';
+import Timer from 'components/Timer';
 import {
   Content,
   InfoCard,

plugins/welcome/src/plugin.ts

@@ -15,7 +15,7 @@
  */
 
 import { createPlugin } from '@backstage/core';
-import WelcomePage from './components/WelcomePage';
+import WelcomePage from 'components/WelcomePage';
 
 export default createPlugin({
   id: 'welcome',