use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

packages/client/lib/commands/MEMORY_USAGE.ts

@@ -0,0 +1,19 @@
+export const FIRST_KEY_INDEX = 1;
+
+export const IS_READ_ONLY = true;
+
+interface MemoryUsageOptions {
+    SAMPLES?: number;
+}
+
+export function transformArguments(key: string, options?: MemoryUsageOptions): Array<string> {
+    const args = ['MEMORY', 'USAGE', key];
+
+    if (options?.SAMPLES) {
+        args.push('SAMPLES', options.SAMPLES.toString());
+    }
+
+    return args;
+}
+
+export declare function transformReply(): number | null;