FEATURE: add plain text password toggle to settings (#22)

* FEATURE: add plain text password toggle to settings

* clean up state types, lint, and add migrate

Co-authored-by: austinried <4966622+austinried@users.noreply.github.com>

app/state/migrations.ts

@@ -0,0 +1,11 @@
+const migrations: Array<(state: any) => any> = [
+  state => {
+    for (let server of state.settings.servers) {
+      server.usePlainPassword = false
+    }
+
+    return state
+  },
+]
+
+export default migrations