added package topics to the pubspec file (#242)

Author: devoncarew

CHANGELOG.md

@@ -1,7 +1,8 @@
-## 2.4.1-dev
+## 2.4.1
 
 * Add a `CONTRIBUTING.md` file; move the publishing automation docs from the
   readme into the contributing doc.
+* Added package topics to the pubspec file.
 
 ## 2.4.0
 

pubspec.yaml

@@ -1,10 +1,13 @@
 name: args
-version: 2.4.1-dev
+version: 2.4.1
 description: >-
  Library for defining parsers for parsing raw command-line arguments into a set
  of options and values using GNU and POSIX style options.
 repository: https://github.com/dart-lang/args
 
+topics:
+  - cli
+
 environment:
   sdk: '>=2.18.0 <3.0.0'