Adding Oofda & Poke, fix copyright notice.

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

attic/oofda/examples/simple_coffee.fs

@@ -0,0 +1,43 @@
+#! /usr/bin/env ueforth
+\ 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.
+
+DEFER log
+DEFER heater-on
+DEFER heater-off
+DEFER pump
+: brew   heater-on
+         pump
+         s" [_]P coffee! [_]P " log
+         heater-off ;
+
+: console-log ( a n -- ) type cr ;
+' console-log IS log
+
+DEFER hot?
+: thermosiphon
+    hot? if s" => => pumping => =>" log then ;
+' thermosiphon IS pump
+
+0 value switch
+: electric-on   -1 TO switch
+                s" ~ ~ ~ heating ~ ~ ~" log ;
+: electric-off   0 TO switch ;
+' electric-on IS heater-on
+' electric-off IS heater-off
+' switch IS hot?
+
+brew
+
+bye