feat(shared): reworked shared library

Shared library is now access using `@shared/module`

src/icons-service/package-lock.json

@@ -1,11 +1,11 @@
 {
-  "name": "user-icons",
+  "name": "icons-service",
   "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
-      "name": "user-icons",
+      "name": "icons-service",
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
@@ -18,7 +18,24 @@
         "fastify-cli": "^7.4.0",
         "fastify-plugin": "^5.0.0",
         "fastify-raw-body": "^5.0.0",
-        "sharp": "^0.34.2"
+        "sharp": "^0.34.2",
+        "utils": "file:../utils/"
+      },
+      "devDependencies": {
+        "@types/node": "^22.1.0",
+        "c8": "^10.1.2",
+        "concurrently": "^9.0.0",
+        "fastify-tsconfig": "^3.0.0",
+        "ts-node": "^10.4.0",
+        "typescript": "~5.8.2"
+      }
+    },
+    "../utils": {
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "fastify": "^5.0.0",
+        "fastify-plugin": "^5.0.0"
       },
       "devDependencies": {
         "@types/node": "^22.1.0",
@@ -3077,6 +3094,10 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
+    "node_modules/utils": {
+      "resolved": "../utils",
+      "link": true
+    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",