Initial descriptive files for Open SIMH

LICENSE.txt

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+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of The Authors shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the Authors.

README.md

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+# Open SIMH machine simulator
+
+This is the codebase of SIMH, a framework and collection of computer system simulators.
+
+SIMH was created by Bob Supnik, originally at Digital Equipment Corporation, and extended by contributions of many other people.  It is now an open source project, licensed under an MIT open source license (see [LICENSE.txt](LICENSE.txt) for the specific wording).  The project gatekeepers are the members of the [SIMH Steering Group](SIMH-SG.md).  We welcome and encourage contributions from all.  Contributions will be covered by the project license.
+
+The Open SIMH code base was taken from a code base maintained by Mark Pizzolato as of 12 May 2022.  From that point onward there is no connection between that source and the Open SIMH code base.  A detailed listing of features as of that point may be found in [SIMH-V4-status](SIMH-V4-status.md).

SIMH-SG.md

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+# The SIMH Steering Group
+
+Current members of the SIMH Steering Group are:
+- Bob Supnik
+- Richard Cornwell
+- Seth Morabito
+- Timothe Litt
+- Clem Cole
+- Paul Koning