Add screenshot, fix module path

.gitignore

@@ -1,5 +1,6 @@
 .*
 !.gitignore
+!.screenshot.png
 minipam
 *.yaml
 *.json

README.md

@@ -11,7 +11,20 @@ there is no authorization mechanism built in.
 Scanning is kind of slow, but I prefer to keep it that way, since I don't need it to be fast, and I don't want to waste
 my compute resources. It doesn't matter for me if my scan completes within 1 minute or within 30 minutes.
 
-TODO: screenshot
+![Screenshot](.screenshot.png)
+
+# Compilation
+
+Install go toolchain and run
+```bash
+go install git.mlody.eu/lmoskala/MinIPAM
+```
+Or, clone repository and run
+```bash
+go build
+```
+
+Cross-compiling is as easy as running `GOOS=freebsd GOARCH=amd64 go build`.
 
 # Configuration reference
 ```yaml

go.mod

@@ -1,4 +1,4 @@
-module minipam
+module git.mlody.eu/lmoskala/MinIPAM
 
 go 1.21