Adding Oofda & Poke, fix copyright notice.

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

attic/oofda/lib/string.fs

@@ -0,0 +1,25 @@
+\ 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 ../oofda.fs
+
+class String
+  value length
+  value data
+  : .construct ( a n -- ) dup to length
+                          here to data
+                          here swap cmove
+                          length allot ;
+  : .get ( -- a n ) data length ;
+end-class