Add marcelinho to participants.json (#208)

* Add marcelinho to participants.json

* Add marcelinho.jpg

* Update content/participants.json

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Co-authored-by: d11n <mail@dennisreimann.de>

content/participants.json

@@ -548,5 +548,16 @@
     "v4v": {
       "address": "023d9c506d636d6fb215c3995609447fa2e7b136550884596f8d8cbfbff23b2479"
     }
+  },
+  "marcelinho": {
+    "name": "Marcelinho",
+    "nostr": "npub16cpe069rjz6pm5t42xcyhcn66f5rr04k64df3g03fk2wctlrlhsqycedcd",
+    "github": "marc3linho",
+    "image": "/img/participants/marcelinho.jpg",
+    "v4v": {
+      "address": "03169e6367b648f13b4f3aaa786913dfc8f054fc445c78276286e3fe6509939fde",
+      "customKey": "696969",
+      "customValue": "3"
+    }
   }
 }