chore: adjust config files

This commit includes:

- Configuring of eslint to ignore no unused vars rule when prefixed by underscore
- Nodemon configuration
- Adding of start script
- Installation of fastify and typeorm-extension packages
- Adjustment of typescript strictness rules

.eslintrc.js

@@ -32,5 +32,17 @@ module.exports = {
         "linebreak-style": ["error", "unix"],
         quotes: ["error", "double"],
         semi: ["error", "always"],
+        "@typescript-eslint/no-unused-vars": [
+            "error",
+            {
+                args: "all",
+                argsIgnorePattern: "^_",
+                caughtErrors: "all",
+                caughtErrorsIgnorePattern: "^_",
+                destructuredArrayIgnorePattern: "^_",
+                varsIgnorePattern: "^_",
+                ignoreRestSiblings: true,
+            },
+        ],
     },
 };

nodemon.json

@@ -0,0 +1,5 @@
+{
+    "watch": ["src"],
+    "ext": "ts",
+    "ignore": ["node_modules", "test", "dist"]
+}