add nvim

nodejs/install.md

@@ -2,6 +2,16 @@
 - refer to https://segmentfault.com/a/1190000007542620
 
 
+## nvm
+
+```bash
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
+nvm list-remote
+nvm install node
+npm install --global yarn
+```
+
+
 
 ### install and update
 ``` bash