feat: bee provider caching the state of the app and refreshing periodically (#172)

* feat: bee provider caching the state of the app and refreshing periodically

* chore: added error handling

src/types.ts

@@ -0,0 +1,23 @@
+import type { Token } from './models/Token'
+
+export interface ChequebookBalance {
+  totalBalance: Token
+  availableBalance: Token
+}
+
+export interface Balance {
+  peer: string
+  balance: Token
+}
+
+export interface Settlement {
+  peer: string
+  received: Token
+  sent: Token
+}
+
+export interface Settlements {
+  totalReceived: Token
+  totalSent: Token
+  settlements: Settlement[]
+}