update README file. added citation, license and LLNL release number

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Lawrence Livermore National Laboratory
+
+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 OR COPYRIGHT HOLDERS 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.

README.md

@@ -44,8 +44,13 @@ Four examples are provided, including
   * In the rising bubble example, an additional C file, ```PostProcess.c``` needs to be compiled before running GPLaSDI for the first time, using ```gcc PostProcess.c -o PP```
 
 ## Citation
+[Bonneville, C., Choi, Y., Ghosh, D., & Belof, J. L. (2023). GPLaSDI: Gaussian Process-based Interpretable Latent Space Dynamics Identification through Deep Autoencoder. arXiv preprint.]()
 
 ## Acknowledgement
+Y. Choi was supported for this work by the CHaRMNET Mathematical Multifaceted Integrated Capability Center (MMICC).
 
 ## Licence
+GPLaSDI is distributed under the terms of the MIT license. All new contributions must be made under the MIT. See
+[LICENSE-MIT](https://github.com/LLNL/libROM/blob/master/LICENSE-MIT)
 
+LLNL Release Nubmer: LLNL-CODE-850536