Upgrade min node and yarn versions

LostCrew · LostCrew · commit 8e8b22704490 · 2021-01-03T15:05:46.000+01:00
diff --git a/.nvmrc b/.nvmrc
@@ -1 +1 @@
-9
+14.15
diff --git a/.travis.yml b/.travis.yml
@@ -1,2 +1,2 @@
 language: node_js
-node_js: 9
+node_js: 14.15
diff --git a/package.json b/package.json
@@ -26,6 +26,10 @@
   "bugs": "https://github.com/Bttstrp/bootstrap-switch/issues",
   "license": "MIT",
   "readmeFilename": "README.md",
+  "engines": {
+    "node": "^14.15",
+    "yarn": "^1.22"
+  },
   "devDependencies": {
     "babel-cli": "^6.22.2",
     "babel-core": "^6.26.0",
