[enh] add BMA watcher + reorganize code

src/lib/types/conf.ts

@@ -0,0 +1,32 @@
+export interface Conf {
+  connectionTimeout: number
+  reconnectionDelays: number[]
+  ws2pServers: ConfWS2P[]
+  bmaServers: ConfBMA[]
+  mail: ConfMail
+}
+
+export interface ConfWS2P {
+  address: string
+  expectedKey: string
+  salt: string
+  passwd: string
+  currency: string
+}
+
+export interface ConfBMA {
+  address: string
+  frequency: number
+}
+
+export interface ConfMail {
+  enabled: boolean
+  host: string
+  port: number
+  auth: string
+  encryption: string
+  username: string
+  apikey: string
+  from: string
+  to: string
+}