updated readme to mention TS and eslint strict modes

README.md

@@ -162,6 +162,9 @@ The original assignment leaves some questions unanswered, I tried to answer them
     Nest.js provides a good starting point, and I already created services with Nest.js in the past,
     so I decided to use it here as well, to save time on learning the new boilerplate.
 
+    Additionally I switched TS config to use `@tsconfig/strictest` options,
+    and eslint config to use `@typescript-eslint/strict` ruleset.
+
 * **Dependency injection**
 
     All integrations and storages etc have proper generalized interfaces;