Implement pause functionality with UI and input bindings

Assets/InputSystem_Actions.inputactions

@@ -95,6 +95,15 @@
                     "processors": "",
                     "interactions": "",
                     "initialStateCheck": false
+                },
+                {
+                    "name": "Pause",
+                    "type": "Button",
+                    "id": "0d2f71b9-572d-45ca-8ce3-c150b120d654",
+                    "expectedControlType": "",
+                    "processors": "",
+                    "interactions": "",
+                    "initialStateCheck": false
                 }
             ],
             "bindings": [
@@ -504,6 +513,28 @@
                     "action": "StartGame",
                     "isComposite": false,
                     "isPartOfComposite": false
+                },
+                {
+                    "name": "",
+                    "id": "f0dd9d3e-03b2-4d73-9a5b-3c59a85c49ee",
+                    "path": "<Keyboard>/escape",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Pause",
+                    "isComposite": false,
+                    "isPartOfComposite": false
+                },
+                {
+                    "name": "",
+                    "id": "ad5638d0-68fe-4a6c-9cd4-ca6679aa0360",
+                    "path": "<Gamepad>/start",
+                    "interactions": "",
+                    "processors": "",
+                    "groups": "",
+                    "action": "Pause",
+                    "isComposite": false,
+                    "isPartOfComposite": false
                 }
             ]
         },