Add support for T-Digest (#2214)

* wip

* close #2216 - add support for TDIGEST.MERGESTORE and make compression optional on TDIGEST.CREATE

* fix some tdigest commands, use bloom edge docker

* fix index.ts

* 2.4-RC2 (v2.4.1)

* fix some commands and tests

* clean code

packages/bloom/lib/commands/t-digest/INFO.ts

@@ -0,0 +1,51 @@
+import { RedisCommandArgument, RedisCommandArguments } from '@redis/client/dist/lib/commands';
+
+export const FIRST_KEY_INDEX = 1;
+
+export const IS_READ_ONLY = true;
+
+export function transformArguments(key: RedisCommandArgument): RedisCommandArguments {
+    return [
+        'TDIGEST.INFO',
+        key
+    ];
+}
+
+type InfoRawReply = [
+    'Compression',
+    number,
+    'Capacity',
+    number,
+    'Merged nodes',
+    number,
+    'Unmerged nodes',
+    number,
+    'Merged weight',
+    string,
+    'Unmerged weight',
+    string,
+    'Total compressions',
+    number
+];
+
+interface InfoReply {
+    comperssion: number;
+    capacity: number;
+    mergedNodes: number;
+    unmergedNodes: number;
+    mergedWeight: number;
+    unmergedWeight: number;
+    totalCompression: number;
+}
+
+export function transformReply(reply: InfoRawReply): InfoReply {
+    return {
+        comperssion: reply[1],
+        capacity: reply[3],
+        mergedNodes: reply[5],
+        unmergedNodes: reply[7],
+        mergedWeight: Number(reply[9]),
+        unmergedWeight: Number(reply[11]),
+        totalCompression: reply[13]
+    };
+}