add Idea Go support, privoxy, virtualbox

IDEs/IntelliJ.md

@@ -5,6 +5,26 @@
 
 ## Go
 
+  - Open `File` -> `Settings` -> `Plugins` -> `Browse Repositories` -> `Manage repositories...` -> `Add`
+
+  - Paste `https://plugins.jetbrains.com/plugins/alpha/5047`
+
+  - Press `OK` 
+
+  - Press `reload`
+
+  - Search `GO`
+
+  - Install plugin `GO`
+
+#### Higher version not supported ?
+[Not able to install go lang plugin on intellij 2017.2 community edition](https://github.com/go-lang-plugin-org/go-lang-idea-plugin/issues/2897)
+
+#### Add GOPATH
+
+  - Open `File` -> `Settings` -> `Languages & Frameworks` -> `GO` -> `Go Libraries` -> `Project Libraries`
+
+  - Add project root directory
 
 ## Python
 

apt/install.sh

@@ -2,6 +2,8 @@
 
 sudo apt update && sudo apt install -y \
 				vim \
+				tree \
 				httpie \
 				keepass2 \
-				thunderbird
+				thunderbird \
+				privoxy