fixed reversed aliases value, key to key, value. added barebones example config

doc/barrier.conf.example-advanced

@@ -50,6 +50,6 @@ end
 # One way to find the actual name of a comptuer is to run hostname from a command window
 section: aliases
 	# Laptop is actually known as John-Smiths-MacBook-3.local
-	desktop2:
+	John-Smiths-MacBook-3.local:
-		John-Smiths-MacBook-3.local
+		desktop2
 end

doc/barrier.conf.example-barebones

@@ -0,0 +1,17 @@
+# barebones barrier.conf example
+# for two computers side by side
+# replace screen.name.server and screen.name.client with your screen names from gui
+# there's a 50/50 chance you'll want to swap left and right
+# save this as barrier.conf in your home folder and "Use existing configuration" on server
+
+section: screens
+  screen.name.server:
+  screen.name.client:
+end
+
+section: links
+  screen.name.server:
+    left = screen.name.client
+  screen.name.client:
+    right = screen.name.server
+end

doc/barrier.conf.example-basic

@@ -34,6 +34,6 @@ end
 
 section: aliases
 	# The "real" name of iMac is John-Smiths-iMac-3.local. If we wanted we could remove this alias and instead use John-Smiths-iMac-3.local everywhere iMac is above. Hopefully it should be easy to see why using an alias is nicer
-	iMac:
+	John-Smiths-iMac-3.local:
-		John-Smiths-iMac-3.local
+		iMac
 end