Function gitIgnore

Public API for the project namespace

gitIgnore(pattern: string, heading?: string): Promise<void>
Adds an entry to the project's .gitignore file. Will create a .gitignore file if it doesn't exist. Will insert the pattern under the heading and create the heading if it doesn't exist.
Parameters
- pattern: string
  the pattern to add to the .gitignore file
- Optionalheading: string
  optional heading to place the pattern under
Returns Promise<void>
Example
place an ignore entry at the bottom of the file
```
import { project } from 'ember-apply';

await project.gitIgnore('node_modules');
```
Example
place an ignore under a heading in the .gitignore file
```
import { project } from 'ember-apply';

await project.gitIgnore('dist', '# build output');
```
- Defined in project/git.js:33