Removing License/license.txt and add LICENSE under root. (#12)

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..2ce4711
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,18 @@
+Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+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.
+
diff --git a/License/license.txt b/License/license.txt
deleted file mode 100644
index 2977d52..0000000
--- a/License/license.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-The FreeRTOS kernel is released under the MIT open source license, the text of
-which is provided below.
-
-This license covers the FreeRTOS kernel source files, which are located in the
-/FreeRTOS/Source directory of the official FreeRTOS kernel download.  It also
-covers most of the source files in the demo application projects, which are
-located in the /FreeRTOS/Demo directory of the official FreeRTOS download.  The
-demo projects may also include third party software that is not part of FreeRTOS
-and is licensed separately to FreeRTOS.  Examples of third party software
-includes header files provided by chip or tools vendors, linker scripts,
-peripheral drivers, etc.  All the software in subdirectories of the /FreeRTOS
-directory is either open source or distributed with permission, and is free for
-use.  For the avoidance of doubt, refer to the comments at the top of each
-source file.
-
-
-License text:
--------------
-
-Copyright (C) 2019 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
-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.
-