i'm going to squash anyway

doc/02-Installation.md.d/From-Source.md

@@ -0,0 +1,20 @@
+# Installing Icinga Notifications from Source
+
+To install Icinga Notifications and get started, you first need to clone this repository.
+```bash
+git clone https://github.com/Icinga/icinga-notifications.git
+```
+
+Then, you can build both the daemon and all channels with the following commands.
+```bash
+go build -o icinga-notifications ./cmd/icinga-notifications-daemon
+go build -o /usr/libexec/icinga-notifications/channels ./cmd/channel/...
+```
+
+Finally, launch the daemon.
+```bash
+./icinga-notifications --config config.yml
+```
+
+<!-- {% set from_source = True %} -->
+<!-- {% include "02-Installation.md" %} -->