modified readme file

README.md

 
 ## Premium Themes
 
-| Biztrox  | Bexer  | Small Apps  | Dtox  |
-|---|---|---|---|
-| [![Biztrox](https://user-images.githubusercontent.com/37659754/54068875-6ab26e80-427b-11e9-876e-4670bdacb975.png)](https://themefisher.com/products/biztrox-hugo-template/)  | [![Bexer](https://user-images.githubusercontent.com/37659754/54068892-84ec4c80-427b-11e9-9952-5d455c259145.png)](https://themefisher.com/products/bexer-hugo-theme/) | [![Small Apps](https://user-images.githubusercontent.com/37659754/54068897-96cdef80-427b-11e9-8fd4-2a5b83cea6d0.png)](https://themefisher.com/products/small-apps-hugo-app-landing-theme/) | [![Dtox](https://user-images.githubusercontent.com/37659754/54068836-07284100-427b-11e9-8ff2-48eec3220a26.png)](https://themefisher.com/products/dtox-hugo-theme/) |
+| [![Biztrox](https://user-images.githubusercontent.com/37659754/54068875-6ab26e80-427b-11e9-876e-4670bdacb975.png)](https://themefisher.com/products/biztrox-hugo-template/)  | [![Bexer](https://user-images.githubusercontent.com/37659754/54068892-84ec4c80-427b-11e9-9952-5d455c259145.png)](https://themefisher.com/products/bexer-hugo-theme/) | [![Small Apps](https://user-images.githubusercontent.com/37659754/54068897-96cdef80-427b-11e9-8fd4-2a5b83cea6d0.png)](https://themefisher.com/products/small-apps-hugo-app-landing-theme/) |
+|:---:|:---:|:---:|
+| **Biztrox**  | **Bexer**  | **Small Apps**  |
+| [![Dtox](https://user-images.githubusercontent.com/37659754/54068836-07284100-427b-11e9-8ff2-48eec3220a26.png)](https://themefisher.com/products/dtox-hugo-theme/) | [![Agico](https://user-images.githubusercontent.com/37659754/57753899-16aa8700-770f-11e9-9a3d-d3fc45313fbd.png)](https://themefisher.com/products/agico-hugo-theme/) | [![Airspace](https://user-images.githubusercontent.com/37659754/57754161-9d5f6400-770f-11e9-8a76-778fbb9910c4.png)](https://themefisher.com/products/airspace-hugo/) |
+| **Dtox** | **Agico** | **Airspace** |