add tags

config.json

@@ -15,6 +15,9 @@
     "indent_size": 4,
     "highlightjs_language": "rust"
   },
+  "test_runner": {
+    "average_run_time": 2
+  },
   "files": {
     "solution": [
       "src/lib.cairo",
@@ -36,5 +39,21 @@
   },
   "concepts": [],
   "key_features": [],
-  "tags": []
+  "tags": [
+    "paradigm/functional",
+    "paradigm/imperative",
+    "paradigm/procedural",
+    "typing/static",
+    "typing/strong",
+    "execution_mode/compiled",
+    "platform/windows",
+    "platform/mac",
+    "platform/linux",
+    "runtime/standalone_executable",
+    "used_for/artificial_intelligence",
+    "used_for/backends",
+    "used_for/financial_systems",
+    "used_for/games",
+    "used_for/web_development"
+  ]
 }