Merge pull request #1 from DivineDominion/patch-1

Add links and short usage description to README

README.md

@@ -1,3 +1,23 @@
 # SourceryPlugins
 
-A description of this package.
+Use [Sourcery](https://github.com/krzysztofzablocki/Sourcery) as a code generator in your project as a Swift package's command plugin.
+
+See: [Blog post explaining how this works[(https://www.polpiella.dev/sourcery-swift-package-command-plugin/)
+
+## Usage
+
+### Command line
+
+To verify the plugin can be found by SwiftPM, use:
+
+    $ swift package --list
+
+To run the code generator, you need to allow changes to the project with the `--allow-writing-to-package-directory` flag:
+
+    $ swift package --allow-writing-to-package-directory sourcery-code-generation
+
+### Xcode
+
+Inside a project/package that uses this command plugin, right-click the project and select "SourceryCommand" from the "SourceryPlugins" menu group.
+
+(Requires Xcode 14)