chore: update funding configuration for community governance

- Add GitHub Sponsors organization (nxm-rs)
- Synchronize Ethereum address across FUNDING.yml and FUNDING.json
- Add transparent fund usage documentation in FUNDING.yml
- Structure funding for community-driven development

Author: mfw78

.github/FUNDING.yml

@@ -1,4 +1,14 @@
-# Nexum-Kit Funding
+# Nexum-Kit Community Funding
+#
+# All contributions support the development and maintenance of this
+# open-source project. Funds are used for:
+# - Infrastructure costs (CI/CD, hosting, domain names)
+# - Bug bounties and contributor rewards
+# - Documentation and educational resources
+# - Community events and workshops
 
-# Support Nexum-Kit development via Ethereum
-custom: ["0xC1FC64b34FA86D8fac48565E44882a32cC08EB97"]
+# GitHub Sponsors - Organization account for collective funding
+github: nxm-rs
+
+# Cryptocurrency addresses for decentralized support
+custom: ["Ethereum: 0xC1FC64b34FA86D8fac48565E44882a32cC08EB97"]

FUNDING.json

@@ -1,7 +1,7 @@
 {
   "drips": {
     "ethereum": {
-      "ownedBy": "0x7a3d05c70581bD345fe117c06e45f9669205384f"
+      "ownedBy": "0xC1FC64b34FA86D8fac48565E44882a32cC08EB97"
     }
   }
 }