Add blog post and news entry (#204)

* Add blog post and news entry

* Fix date

* Fix for link

_news/2024-05-26-0.15.2.md

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+---
+author: SchrodingersGat
+title: 0.15.2 Release
+---
+
+### 0.15.2 Release
+
+
+We have just released version 0.15.2 which includes a patch for a critical security vulnerability.
+
+- View the [release notes](https://github.com/inventree/InvenTree/releases/tag/0.15.2)

_posts/2024-05-26-0.15.2.md

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+---
+author: SchrodingersGat
+title: 0.15.0 Bugfix Release
+---
+
+The InvenTree team has just released version 0.15.2 which includes a patch for a critical security vulnerability. 
+
+## Security Patch
+
+We have fixed a critical security vulnerability in the InvenTree codebase which was identified and reported by one of our users. For more information on this security advisory, please refer to [GHSA-2crp-q9pc-457j](https://github.com/inventree/InvenTree/security/advisories/GHSA-2crp-q9pc-457j).
+
+## Release Notes
+
+Releases notes for the 0.15.2 release can be found on [our GitHub page](https://github.com/inventree/InvenTree/releases/tag/0.15.2)
+
+## Security Policy
+
+We take security very seriously at InvenTree. If you identify a security vulnerability in the InvenTree codebase, please report it to us immediately. You can find more information on our [security policy](https://github.com/inventree/InvenTree/blob/master/SECURITY.md).