Some notes on Installation

[kohlerm]

Hi,
Great to see some alternative to csearch!
I tried to install it an RHEL 7.2 and I had to do some additional steps.

I had to do an go get first:
go get github.com/google/zoekt/cmd/zoekt-index

It would also he helpful to mention that the git repository indexing support depends on libgit2 (and libgit2-devel, I guess) being installed, which in turn depends on git2go. They mean issue here for me was that on my OS only version 0.21 of libgit2 was available in the repository. I therefore had to compile libgit (0.24) from scratch, which worked flawlessly.

[kohlerm]

also it seems
if one wants to use ctags it has to be either named
ctags-universal or ctags-exuberant see (https://github.com/google/zoekt/blob/master/build/builder.go)

My ctags-universal was named just "ctags"