swift-pm: Rename plugin to 'swiftpm' (#5674)

plugins/swiftpm/README.md

@@ -0,0 +1,22 @@
+# Swift Package Manager
+
+## Description
+
+This plugin provides a few utilities that make you faster on your daily work with the [Swift Package Manager](https://github.com/apple/swift-package-manager).
+
+To start using it, add the `swiftpm` plugin to your `plugins` array in `~/.zshrc`:
+
+```zsh
+plugins=(... swiftpm)
+```
+
+## Aliases
+
+| Alias | Description                         | Command                            |
+|-------|-------------------------------------|------------------------------------|
+| `spi` | Initialize a new package            | `swift package init`               |
+| `spf` | Fetch package dependencies          | `swift package fetch`              |
+| `spu` | Update package dependencies         | `swift package update`             |
+| `spx` | Generates an Xcode project          | `swift package generate-xcodeproj` |
+| `sps` | Print the resolved dependency graph | `swift package show-dependencies`  |
+| `spd` | Print parsed Package.swift as JSON  | `swift package dump-package`       |