Added copyright.txt for the sqlite module.

modules/database_sqlite/COPYRIGHT.txt

@@ -0,0 +1,52 @@
+# Exhaustive licensing information for files in the Godot Engine repository
+# =========================================================================
+#
+# This file aims at documenting the copyright and license for every source
+# file in the Godot Engine repository, and especially outline the files
+# whose license differs from the MIT/Expat license used by Godot Engine.
+#
+# It is written as a machine-readable format following the debian/copyright
+# specification. Globbing patterns (e.g. "Files: *") mean that they affect
+# all corresponding files (also recursively in subfolders), apart from those
+# with a more explicit copyright statement.
+#
+# Licenses are given with their debian/copyright short name (or SPDX identifier
+# if no standard short name exists) and are all included in plain text at the
+# end of this file (in alphabetical order).
+#
+# Disclaimer for thirdparty libraries:
+# ------------------------------------
+#
+# Licensing details for thirdparty libraries in the 'thirdparty/' directory
+# are given in summarized form, i.e. with only the "main" license described
+# in the library's license statement. Different licenses of single files or
+# code snippets in thirdparty libraries are not documented here.
+# For example:
+#   Files: ./thirdparty/zlib/
+#   Copyright: 1995-2017, Jean-loup Gailly and Mark Adler
+#   License: Zlib
+# The exact copyright for each file in that library *may* differ, and some
+# files or code snippets might be distributed under other compatible licenses
+# (e.g. a public domain dedication), but as far as Godot Engine is concerned
+# the library is considered as a whole under the Zlib license.
+#
+# Nota: When linking dynamically against thirdparty libraries instead of
+# building them into the Godot binary, you may remove the corresponding
+# license details from this file.
+
+-----------------------------------------------------------------------
+
+Files: modules/database_sqlite/sqlite/*
+Comment: SQLite
+Copyright: Public Domain
+License: Public Domain (SQLite)
+
+
+
+License: Public Domain (SQLite)
+ The author disclaims copyright to this source code.  In place of
+ a legal notice, here is a blessing:
+ .
+ May you do good and not evil.
+ May you find forgiveness for yourself and forgive others.
+ May you share freely, never taking more than you give.

modules/database_sqlite/config.py

@@ -50,3 +50,6 @@ def get_doc_classes():
 
 def get_doc_path():
     return "doc_classes"
+
+def get_license_file():
+  return "COPYRIGHT.txt"