Add split miner implementation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

MANIFEST.in

@@ -0,0 +1,22 @@
+# Split Miner - BPMN process discovery from event logs.
+# Authors:
+#   imacat@mail.imacat.idv.tw (imacat), 2026/3/10
+
+#  Copyright (c) 2026 imacat.
+#
+#  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.
+
+recursive-include docs *
+prune docs/build
+recursive-include tests *
+recursive-exclude tests *.pyc