docs: enhance Ollama GPU test workflow, reorganize project structure, and fix pytest warnings

- Upgrade ollama-gpu-provider skill to v2.0 with complete test workflow documentation
- Add comprehensive troubleshooting, monitoring commands, and CI/CD integration examples
- Update client.py default coordinator port from 8000 to 18000
- Clear currentissue.md and add usage guidelines for issue tracking
- Create dev-utils/ directory and move aitbc-pythonpath.pth from root
- Create docs/guides/ and docs

home/miner/miner_wallet.json

@@ -1,6 +1,6 @@
 {
   "address": "aitbc1721d5bf8c0005ded6704",
-  "balance": 1525.0,
+  "balance": 1525.05206,
   "transactions": [
     {
       "type": "earn",
@@ -22,6 +22,13 @@
       "job_id": "e3b3fd7ddd684270932cfd8107771e81",
       "description": "Processed hello job",
       "timestamp": "2026-01-23T15:09:41.109718"
+    },
+    {
+      "type": "earn",
+      "amount": 0.05206,
+      "job_id": "44c27e1a02e74a5584691eacf9e06e29",
+      "description": "Inference: capital of France",
+      "timestamp": "2026-01-29T12:56:42.732228"
     }
   ],
   "created_at": "2026-01-23T14:55:27.329401"