[Haik]: fixed custom linter error msg in ide to be more verbose for num items in file. Also modded the exceptions a bit. Also abstracted nine_router into a normal subapp typa format. Also made the linter functionally prevent publishing or merging if theres any errors.

.github/workflows/lint.yml

@@ -0,0 +1,32 @@
+name: Lint
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  structlint:
+    name: Structure lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - run: python3 linter/structlint.py --root .
+
+  typecheck:
+    name: Type check (backend)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - run: pip install pyright
+
+      - run: pyright --project linter/pyrightconfig.json