Install a specific version of mime in node example

marijnh · marijnh · commit 895c061b8c80 · 2017-09-17T18:35:04.000+02:00
Since version 2 isn't compatible with the example code Issue marijnh#228
diff --git a/20_node.txt b/20_node.txt
@@ -746,7 +746,7 @@ where the server script lives, you'll be able to use `require("mime")` to
 get access to the library:
 
 ----
-$ npm install mime
+$ npm install mime@1.4.0
 npm http GET https://registry.npmjs.org/mime
 npm http 304 https://registry.npmjs.org/mime
 mime@1.2.11 node_modules/mime
