Merge pull request #69 from fredeil/repo-assist/improve-readme-dart-pub-get-34a4ba85b3d1d3d3

[Repo Assist] docs: update `pub get` to `dart pub get` in README

Author: fredeil

README.md

@@ -39,8 +39,7 @@ dependencies:
 You can install packages from the command line:
 
 ```bash
-$ pub get
-..
+$ dart pub get
 ```
 
 Alternatively, your editor might support pub. Check the docs for your editor to learn more.