message: Update getting started for composibility
diff: @@ -10,7 +10,6 @@ The SonarQube Plugin displays code statistics from [SonarCloud](https://sonarclo
  ```bash
  # packages/app
  -
  yarn add @backstage/plugin-sonarqube
  ```
  @@ -18,37 +17,36 @@ yarn add @backstage/plugin-sonarqube
  ```js
  // packages/app/src/plugins.ts
  -
  export { plugin as SonarQube } from '@backstage/plugin-sonarqube';
  ```
  -3. Add the `SonarQubeCard` to the EntityPage:
  +3. Add the `EntitySonarQubeCard` to the EntityPage:
  -```jsx
  +```diff
  // packages/app/src/components/catalog/EntityPage.tsx
  ++ import { EntitySonarQubeCard } from '@backstage/plugin-sonarqube';
  -import { SonarQubeCard } from '@backstage/plugin-sonarqube';
  + ...
  -const OverviewContent = ({ entity }: { entity: Entity }) => (
  + const overviewContent = (
  <Grid container spacing={3} alignItems="stretch">
  - // ...
  - <Grid item xs={12} sm={6} md={4}>
  - <SonarQubeCard entity={entity} />
  + <Grid item md={6}>
  + <EntityAboutCard variant="gridItem" />
  </Grid>
  - // ...
  ++ <Grid item md={6}>
  ++ <EntitySonarQubeCard variant="gridItem" />
  ++ </Grid>
  </Grid>
  );
  ```
  4. Add the proxy config:
  - Provide a method for your Backstage backend to get to your SonarQube API end point.
  + Provide a method for your Backstage backend to get to your SonarQube API end point. Add configuration to your `app-config.yaml` file depending on the product you use.
  **SonarCloud**
  ```yaml
  -# app-config.yaml
  -
  proxy:
  '/sonarqube':
  target: https://sonarcloud.io/api
  @@ -63,8 +61,6 @@ proxy:
  **SonarQube**
  ```yaml
  -# app-config.yaml
  -
  proxy:
  '/sonarqube':
  target: https://your.sonarqube.instance.com/api
  @@ -81,7 +77,7 @@ sonarQube:
  5. Get and provide `SONARQUBE_AUTH_HEADER` as env variable (https://sonarcloud.io/account/security or https://docs.sonarqube.org/latest/user-guide/user-token/)
  -6. Add the `sonarqube.org/project-key` annotation to your catalog-info.yaml file:
  +6. Add the `sonarqube.org/project-key` annotation to your entity's `catalog-info.yaml` file:
  ```yaml
  apiVersion: backstage.io/v1alpha1
  