docs: add symlink for go suggestion to INSTALL.md

docs/INSTALL.md

@@ -16,7 +16,10 @@
     ```
     sudo apt-get install golang-1.10-go
     ```
-    > Note that golang-1.10-go puts binaries in /usr/lib/go-1.10/bin. If you want them on your PATH, you need to make that change yourself.
+    > Note that golang-1.10-go puts binaries in /usr/lib/go-1.10/bin. If you want them on your PATH, you need to make that change yourself. Alternatively, you can run:
+    ```
+    sudo ln -s /usr/lib/go-1.10/bin/go /usr/local/bin/go
+    ```
 
     On Mac OS X
     ```