update license

LICENSE

@@ -1,27 +1,25 @@
-Created by Fun with Flutter
-
-Copyright (c) 2019 Fun with Flutter.
+Copyright (c) 2024, OpenSI
 All rights reserved.
 
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
+Redistribution and use in source and binary form, with or without
+modification, are authorized provided that the following conditions are met:
+
+1. Attribution — you must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests that the licensor endorses you or your use.
+
+2. Non-commercial — You may not use the material for commercial purposes.
+
+3. ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original.
+
+4. No additional restrictions — You may not apply any legal terms or technological measures that legally restrict others from doing anything the license permits.
 
- * Redistributions of source code must retain the above copyright notice, this
-   list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
- * Neither the name of the Fun with Flutter nor the names of its contributors may
-   be used to endorse or promote products derived from this software without 
-   specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL FUN WITH FLUTTER BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
+ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY
+THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DENIED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ALL DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, THE PURCHASE OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA OR PROFITS; OR INTERRUPTION OF ACTIVITIES) WHATEVER THE CAUSE AND
+ON ANY THEORY OF LIABILITY, WHETHER BY CONTRACT, STRICT LIABILITY OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY FROM THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.