Adding Oofda & Poke, fix copyright notice.

Adding an experimental Object Sytem (Oofda).
Adding an experimental DI Framework (Poke).

attic/oofda/lib/queue.fs

@@ -0,0 +1,28 @@
+\ Copyright 2023 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+needs stack.fs
+
+class Queue
+  value stack1
+  value stack2
+  : .construct ( n -- ) dup Stack .new to stack1
+                            Stack .new to stack2 ;
+  : .push ( n -- ) stack1 .push ;
+  : .transfer   begin stack1 .empty? 0=
+                while stack1 .pop stack2 .push repeat ;
+  : .pop ( -- n ) stack2 .empty? if this .transfer then
+                  stack2 .pop ;
+  : .empty? ( -- f ) stack1 .empty? stack2 .empty? and ;
+end-class