updated README.md

README.md

@@ -22,6 +22,16 @@ A "simple" Snake, done as my final JS class project
 - Node.js and npm, both in the PATH
 	- Node.js 10 and 12 are known to work
 	- node-gyp and python are required for the database
+		- (if you have already used native modules, you have them)
+
+## Prod dependencies (direct)
+- Node.js and npm, both in the PATH
+	- Node.js 10 and 12 are known to work
+	- node-gyp and python are required for the database
+		- (if you have already used native modules, you have them)
+
+## Prod dependencies (docker)
+- Docker
 
 ## Running the game (dev)
 - `git clone` this repo