Rebrand to Pezkuwichain Telemetry

- Rename PolkadotIcon to PezkuwiIcon
- Update pinned chains for Pezkuwichain
- Add pezkuwichain, bizinikiwi, pezkuwichain-js icons
- Update favicon with Pezkuwi branding
- Update package.json author to Dijital Kurdistan Tech Institute
- Update GitHub links to pezkuwichain/pezkuwi-telemetry
- Update backend Cargo.toml authors
- Rewrite README with Pezkuwichain documentation
- Add GitHub workflows (frontend-ci, backend-ci, docker, lock)

.github/workflows/lock.yml

@@ -0,0 +1,23 @@
+name: Lock Threads
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  lock:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5
+        with:
+          github-token: ${{ github.token }}
+          issue-inactive-days: 30
+          pr-inactive-days: 30
+          issue-lock-reason: resolved
+          pr-lock-reason: resolved
+          log-output: true