feat: initial Pezkuwi Apps rebrand from polkadot-apps

Rebranded terminology:
- Polkadot → Pezkuwi
- Kusama → Dicle
- Westend → Zagros
- Rococo → PezkuwiChain
- Substrate → Bizinikiwi
- parachain → teyrchain

Custom logos with Kurdistan brand colors (#e6007a → #86e62a):
- bizinikiwi-hexagon.svg
- sora-bizinikiwi.svg
- hezscanner.svg
- heztreasury.svg
- pezkuwiscan.svg
- pezkuwistats.svg
- pezkuwiassembly.svg
- pezkuwiholic.svg

.github/workflows/test-nightly.yml

@@ -0,0 +1,22 @@
+name: Nightly tests run
+on:
+  schedule:
+    - cron:  '1 5 * * *'
+
+
+jobs:
+  alltests:
+    strategy:
+      matrix:
+        step: ['test:all']
+    name: ${{ matrix.step }}
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 'lts/*'
+    - name: ${{ matrix.step }}
+      run: |
+        yarn install --immutable
+        yarn ${{ matrix.step }}