adding support for list connections

[usmanazFIU]

• Network operators must have the option to list connections requests made.
• MEICAN will use GET endpoint for listing connections of SDX-Controller

[usmanazFIU]

This is a prototype of how connection requests will be listed with the option to edit and delete them

[usmanazFIU]

UI has changed as per @italovalcy suggestion.

[usmanazFIU]

[usmanazFIU]

integration with GET /list connections endpoint from sdx-controller is remaining

[mahidhar1g]

Integration with GET /list connections endpoint from sdx-controller is completed. The below is a screenshot at the UI level.