feat: OPNsense integration and widget (#3424)

Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>
Co-authored-by: deepsource-io[bot] <42547082+deepsource-io[bot]@users.noreply.github.com>

packages/integrations/src/interfaces/firewall-summary/firewall-summary-integration.ts

@@ -0,0 +1,13 @@
+import type {
+  FirewallCpuSummary,
+  FirewallInterfacesSummary,
+  FirewallMemorySummary,
+  FirewallVersionSummary,
+} from "./firewall-summary-types";
+
+export interface FirewallSummaryIntegration {
+  getFirewallCpuAsync(): Promise<FirewallCpuSummary>;
+  getFirewallMemoryAsync(): Promise<FirewallMemorySummary>;
+  getFirewallInterfacesAsync(): Promise<FirewallInterfacesSummary[]>;
+  getFirewallVersionAsync(): Promise<FirewallVersionSummary>;
+}

packages/integrations/src/interfaces/firewall-summary/firewall-summary-types.ts

@@ -0,0 +1,24 @@
+export interface FirewallInterfacesSummary {
+  data: FirewallInterface[];
+  timestamp: Date;
+}
+
+export interface FirewallInterface {
+  name: string;
+  receive: number;
+  transmit: number;
+}
+
+export interface FirewallVersionSummary {
+  version: string;
+}
+
+export interface FirewallCpuSummary {
+  total: number;
+}
+
+export interface FirewallMemorySummary {
+  used: number;
+  total: number;
+  percent: number;
+}