UI: implement a k-toolbar to list EVCs in a new k-info-panel

[viniarck]

• The k-toolbar should have a k-accordion with a k-button to list EVCs. Something like (with text as List EVCs):

• Once the button is clicked it should make a request to GET this.$kytos_server_api + "kytos/mef_eline/v2/evc/. For more information about mef_eline API check out this OpenAPI rendered spec. telemetry_int uses mef_eline EVCs metadata to enable/disable INT, so you can rely on mef_eline EVCs metadata.

• Side note related to adjacent work: actions to enable/disable/redeploy in bulk will be implemented on a new k-info-panel, that k-info-panel will receive as props all mef_eline EVCs, so this k-button is expected to emit an event to display the new k-info-panel. The shape of the metadata and which keys and values you should expect to understand whether INT is enabled or not will be specified in the issue where the k-info-panel will be implemented.

Example getting http://127.0.0.1:8181/api/kytos/mef_eline/v2/evc/ (with 1 existing EVC with INT enabled too):

❯ http http://127.0.0.1:8181/api/kytos/mef_eline/v2/evc/
HTTP/1.1 200 OK
content-length: 3672
content-type: application/json
date: Fri, 26 Apr 2024 13:20:51 GMT
server: uvicorn

{
    "db43d585b64242": {
        "active": true,
        "archived": false,
        "backup_links": [],
        "backup_path": [],
        "bandwidth": 0,
        "circuit_scheduler": [],
        "creation_time": "2024-04-26T13:17:54",
        "current_path": [
          ...  
        ],
        "dynamic_backup_path": true,
        "enabled": true,
        "end_date": null,
        "execution_rounds": 0,
        "failover_path": [
           ...
        ],
        "flow_removed_at": null,
        "id": "db43d585b64242",
        "metadata": {
            "telemetry": {
                "enabled": true,
                "status": "UP",
                "status_reason": [],
                "status_updated_at": "2024-04-26T13:20:35"
            }
        },
        "name": "inter_evpl_2222",
        "owner": null,
        "primary_constraints": {},
        "primary_links": [],
        "primary_path": [],
        "queue_id": -1,
        "request_time": "2024-04-26T13:17:54",
        "sb_priority": null,
        "secondary_constraints": {},
        "service_level": 0,
        "start_date": "2024-04-26T13:17:54",
        "uni_a": {
            "interface_id": "00:00:00:00:00:00:00:01:1",
            "tag": {
                "tag_type": "vlan",
                "value": 2222
            }
        },
        "uni_z": {
            "interface_id": "00:00:00:00:00:00:00:03:1",
            "tag": {
                "tag_type": "vlan",
                "value": 2222
            }
        },
        "updated_at": "2024-04-26T13:17:54"
    }
}

[viniarck]

@HeriLFIU will work on this one