spatial: add clean and build, address review comments

pages/common/spatial.md

@@ -2,11 +2,15 @@
 
 > A set of commands for managing and developing SpatialOS projects.
 
-- Build workers for local deployment on Unity on Windows:
+- Run this when you use a project for the first time:
+
+`spatial worker build`
+
+- Build workers for local deployment on Unity on on Osx:
 
 `spatial worker build --target=development --target=Osx`
 
-- Build workers for local deployment on Unreal:
+- Build workers for local deployment on Unreal on Windows:
 
 `spatial worker build --target=local --target=Windows`
 
@@ -16,12 +20,16 @@
 
 - Launch a local worker to connect to your local deployment:
 
-`spatial local worker launch UnityClient default`
+`spatial local worker launch {{worker_type}} {{launch_config}}`
 
 - Upload an assembly to use for cloud deployments:
 
-`spatial cloud upload {{assembly_name}}>`
+`spatial cloud upload {{assembly_name}}`
 
 - Launch a cloud deployment:
 
 `spatial cloud launch {{assembly_name}} {{launch_config}} {{deployment_name}}`
+
+- Clean worker directories:
+
+`spatial worker clean`