Add select case statement

README.md

@@ -65,6 +65,8 @@ BrighterScript adds several new features to the BrightScript language such as na
       - ```print `Hello ${firstNameVar}` ```.
     - [null-coalescing operator](https://github.com/rokucommunity/brighterscript/blob/master/docs/null-coalescing-operator.md)
       - `user = m.user ?? getDefaultUser()`
+    - [Select case statements](https://github.com/rokucommunity/brighterscript/blob/master/docs/select-case.md)
+      - `select case key : case "left", "right" : moveHorizontally() : case else : end select`
     - Additional Language features coming soon
       - null-conditional operator: `userSettings = m.user?.account?.profile?.settings`
     - and [more](https://github.com/rokucommunity/BrighterScript/blob/master/docs/readme.md)...

docs/readme.md

@@ -149,6 +149,18 @@ Plugins can be used to manipulate code at any point during the program lifecycle
 print /hello world/ig
 ```
 
+## [Select Case Statement](select-case.md)
+```brighterscript
+select case numericValue
+    case 1
+        print "one"
+    case 6, 7, 8
+        print "between 6 and 8, inclusive"
+    case else
+        print "no matching case"
+end select
+```
+
 ## [Source Literals](source-literals.md)
 
 ```brighterscript