doc: Update license information.

* tests/fake-pinentries/COPYING: Rename to  ...
* COPYING.CC0: this.  Add a note on the scope of this license.
* COPYING.LIB: Add a note on the scope of this license.
* AUTHORS (License): Mention CC) license.

Signed-off-by: Werner Koch <wk@gnupg.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/COPYING.CC0 b/COPYING.CC0
new file mode 100644
index 000000000..02ba3668d
--- /dev/null
+++ b/COPYING.CC0
@@ -0,0 +1,123 @@
+[Note that only a few files are distributed under this license.]
+
+Creative Commons Legal Code
+
+CC0 1.0 Universal
+
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