Go Mod Explorer README

Displays the external libraries for the current go project in the Explorer.

Github: https://github.com/r3inbowari/go-mod-explorer
VSCode Market: https://marketplace.visualstudio.com/items?itemName=r3inbowari.gomodexplorer

it looks like:

Shortcuts:

Description	Keybinding
Focus the Gomod Explorer.(package name search)	`Ctrl(⌘) + Shift + '`
Blur and back to the previous focus.	`Ctrl(⌘) + Shift + '`

Settings:

Name	Type	Default	Description
`go.goroot`	`String`	undefined	Custom installation directory.
`gomod.revealEnable`	`Boolean`	true	Enable auto reveal.

Q&A:

Q: Why is there nothing in GoMod Explorer?
A: Make sure you have installed the go binary, and set the system environment or "go.goroot".
A: Note that go.goroot has higher priority than system environment in order to be consistent with the official extension.

Q: Why GoMod Explorer not showing in VSCode?
A: This extension depends on the official extension, please install the "vscode-go" at first.

Q: How to navigate(reveal) to the external code?
A: Make sure you have installed the official extension "vscode-go".
A: Make sure "gomod.revealEnable" is true.

Q: Why sometimes reveal doesn't work?
A: Limited by the VSCode API, at most three levels of recursion are allowed when revealing.

I'm appreciate if you could report an issue or pr. (๑•̀ㅂ•́)و✧ Enjoy!