feat(medusa-plugin-meilisearch): Update + improve Meilisearch plugin (#3377)

* feat(medusa-plugin-meilisearch): Upgrade meilisearch deps + migrate plugin to TS

* fix version

* Remove transaction base service from search service

* Create .changeset/strange-mails-pump.md

* Backward compatibility

* Address PR feedback

* Fix folder structure

* Update readme

* Move types

* fix deps

* Change version in changeset

---------

Co-authored-by: adrien2p <adrien.deperetti@gmail.com>

packages/medusa-plugin-meilisearch/jest.config.js

@@ -1,3 +1,13 @@
 module.exports = {
-  testEnvironment: "node",
+  globals: {
+    "ts-jest": {
+      tsconfig: "tsconfig.spec.json",
+      isolatedModules: false,
+    },
+  },
+  transform: {
+    "^.+\\.[jt]s?$": "ts-jest",
+  },
+  testEnvironment: `node`,
+  moduleFileExtensions: [`js`, `jsx`, `ts`, `tsx`, `json`],
 }