docs: fix broken links

Signed-off-by: Shubham Prajapat <shubham.prajapat@sourcefuse.com>

README.md

@@ -6,14 +6,14 @@
 LoopBack Connector is a set of building blocks simplifying implementation
 of datasource-specific connectors like Oracle, MongoDB, REST.
 
-**For full documentation, see the official StrongLoop documentation**:
- * [Data sources and connectors](http://docs.strongloop.com/display/public/LB/Database+connectors)
+**For full documentation, see the official LoopBack documentation**:
+ * [Data sources and connectors](https://loopback.io/doc/en/lb4/Connectors-reference.html)
 
 ## Installation
 
     npm install loopback-connector
 
 ## Usage
 
-See [loopback-connector-mysql](https://github.com/strongloop/loopback-connector-mysql) 
+See [loopback-connector-mysql](https://github.com/loopbackio/loopback-connector-mysql) 
 for an example of connector using this module.