Updated local install docs

Author: lundjrl

README.md

@@ -3,3 +3,14 @@
 A nice journalctl aggregation logger using CHARM's Log
 
 ![GO](https://github.com/lundjrl/glog/actions/workflows/go.yml/badge.svg)
+
+## How to build
+
+1. Make sure you have Go installed
+2. Run Go build
+3. Run `go list -f '{{.Target}}'`
+4. Copy that path (minus /glog) to your GOBIN variable with `go env -w GOBIN=/path/to/your/bin`
+5. Run `go install`
+6. Run `glog`, enjoy
+
+If stuck, follow the details [here](https://go.dev/doc/tutorial/compile-install)