feat: add snjs package

packages/snjs/lib/Application/Options/OptionalOptions.ts

@@ -0,0 +1,25 @@
+export interface ApplicationSyncOptions {
+  /**
+   * The size of the item batch to decrypt and render upon application load.
+   */
+  loadBatchSize: number
+}
+
+export interface ApplicationDisplayOptions {
+  supportsFileNavigation: boolean
+}
+
+export interface ApplicationOptionalConfiguratioOptions {
+  /**
+   * Gives consumers the ability to provide their own custom
+   * subclass for a service. swapClasses should be an array of key/value pairs
+   * consisting of keys 'swap' and 'with'. 'swap' is the base class you wish to replace,
+   * and 'with' is the custom subclass to use.
+   */
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  swapClasses?: { swap: any; with: any }[]
+  /**
+   * URL for WebSocket providing permissions and roles information.
+   */
+  webSocketUrl?: string
+}