Adds getting started to docs (#249)

- [X] Adds getting started to docs

Updates documentation

docs/building-server.md

@@ -0,0 +1,29 @@
+# Building the Server
+
+## Compiling
+
+=== "Windows"
+    ```bash
+    ./publish.cmd <os> <framework> <release|debug>
+    ```
+
+=== "OSX/Linux"
+    ```bash
+    ./publish.sh <os> <framework> <release|debug>
+    ```
+<br><br>
+`os` (_Optional_)<br>
+The operating system to build the server against. If not specified then the server will be built for the same operating system.
+
+:fontawesome-brands-windows:{: .windows } `win`<br>
+:fontawesome-brands-apple:{: .apple } `osx`<br>
+:fontawesome-brands-ubuntu:{: .ubuntu } `ubuntu.16.04`, `ubuntu.18.04` `ubuntu.20.04`<br>
+:brands-debian:{: .debian } `debian.9`, `debian.10`<br>
+:fontawesome-brands-centos:{: .centos } `centos.7`, `centos.8`<br>
+
+<br>
+`framework` (_Optional_)<br>
+The framework used to build the server. That framework must be installed.
+
+.NET Core 3.1 `core`<br>
+.NET 5 Preview `net`