add UnQLite and Vedis

README.md

@@ -135,6 +135,8 @@ Permanent URL to this list: https://github.com/iDoka/awesome-embedded-software
 
 * [FlashDB](https://github.com/armink/FlashDB) - Ultra-lightweight database that supports key-value and time series data.
 * [PureDB](https://github.com/jedisct1/PureDB) - Portable and tiny set of libraries for creating and reading constant databases.
+* [UnQLite](https://github.com/symisc/unqlite) - Embedded NoSQL, Transactional Database Engine.
+* [Vedis](https://github.com/symisc/vedis) - Embedded Implementation of Redis (an embeddable datastore C library built with over 70 commands similar in concept to Redis but without the networking layer since Vedis run in the same process of the host application).
 
 ### Flash Memory