added hyperlink to release notes in create ui

Solutions/MimecastTIRegional/Package/createUiDefinition.json

@@ -6,7 +6,7 @@
     "config": {
       "isWizard": false,
       "basics": {
-        "description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Logos/Mimecast.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** _There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing._\n\nThe data connector for Mimecast Intelligence for Microsoft provides regional threat intelligence curated from Mimecast’s email inspection technologies with pre-created dashboards to allow analysts to view insight into email based threats, aid in incident correlation and reduce investigation response times.  \nMimecast products and features required: \n- Mimecast Secure Email Gateway \n- Mimecast Threat Intelligence\n\n\nMicrosoft Sentinel Solutions provide a consolidated way to acquire Microsoft Sentinel content like data connectors, workbooks, analytics, and automations in your workspace with a single deployment step.\n\n**Data Connectors:** 1, **Workbooks:** 1\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
+        "description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Logos/Mimecast.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** Please refer to the following before installing the solution: \r \n • Review the solution [Release Notes](https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTIRegional/ReleaseNotes.md)\r \n • There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing.\n\nThe data connector for Mimecast Intelligence for Microsoft provides regional threat intelligence curated from Mimecast's email inspection technologies with pre-created dashboards to allow analysts to view insight into email based threats, aid in incident correlation and reduce investigation response times.  \nMimecast products and features required: \n- Mimecast Secure Email Gateway \n- Mimecast Threat Intelligence\n\n\nMicrosoft Sentinel Solutions provide a consolidated way to acquire Microsoft Sentinel content like data connectors, workbooks, analytics, and automations in your workspace with a single deployment step.\n\n**Data Connectors:** 1, **Workbooks:** 1\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
         "subscription": {
           "resourceProviders": [
             "Microsoft.OperationsManagement/solutions",