Add eslint rules (#72)

* Add some ts eslint rules

* Fix makefile

Author: rayokota

Makefile.schemaregistry

@@ -9,7 +9,7 @@ TS_NODE ?= ./node_modules/.bin/ts-node
 # Paths
 SRC_DIR = schemaregistry
 SR_TEST_DIR = test/schemaregistry
-DEK_TEST_DIR = test/dekregistry
+DEK_TEST_DIR = test/schemaregistry/dekregistry
 INTEG_DIR = e2e/schemaregistry
 
 # Tasks
@@ -24,4 +24,4 @@ test:
 	$(JEST) $(SR_TEST_DIR) $(DEK_TEST_DIR)
 
 integtest:
-	$(JEST) $(INTEG_DIR)
+	$(JEST) $(INTEG_DIR)

eslint.config.js

@@ -55,5 +55,11 @@ module.exports = ts.config(
     ...ts.configs.recommended.map((config) => ({
         ...config,
         ignores: ["**/*.js"],
+        rules: {
+            ...config.rules,
+            "prefer-const": 0,
+            "@typescript-eslint/no-explicit-any": "warn",
+            "@typescript-eslint/no-unused-vars": "warn",
+        }
     })),
 );