add build instructions to the readme

README.md

@@ -8,4 +8,22 @@ quick little admin panel.
 - [ ] gitea authentication
 - [ ] pam auth (maube?)
 - [ ] automatic user creaton/deletion
-- [ ] resource usage dashboard
+- [ ] resource usage dashboard
+
+## how 2 build
+
+you need to build the stylesheet with tailwind first:
+```
+npm i -g tailwindcss
+npx tailwindcss -i ./resources/main.css -o ./resources/build/main.css --watch
+```
+
+then just build it
+```
+go get
+go build
+```
+
+### how 2 run
+
+copy the config.example.yml file to config.yml and edit the values accordingly, then just run the binary and crack it open in your web browser.