tig: add more info in README (#8818)
For more convenient plugin exploring.
Diff
1diff --git a/plugins/tig/README.md b/plugins/tig/README.md
2index bb24cd147558ea5da0e977c56bda103400151efd..3323fd098763ab2232c292338bf593ab0d226234 100644
3--- a/plugins/tig/README.md
4+++ b/plugins/tig/README.md
5@@ -1,6 +1,6 @@
6 # `tig` plugin
7 8-This plugin adds some aliases for people who work with `tig` in
9+This plugin adds some aliases for people who work with [`tig`](https://jonas.github.io/tig/) (text-mode interface for Git) in
10 a regular basis. To use it, add `tig` to your plugins array:
1112 ```zsh