Merge pull request #11 from SevenOutman/perf/detect-package-manager

perf: use user-preferred package manager

Author: SevenOutman

fixtures/pnpm/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "pnpm",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "none": "^1.0.0"
+  }
+}

fixtures/pnpm/pnpm-lock.yaml

@@ -0,0 +1 @@
+.yarn