Add codespell support (config, workflow to detect/not fix) and make it fix few typos

.github/workflows/codespell.yml

@@ -0,0 +1,25 @@
+# Codespell configuration is within pyproject.toml
+---
+name: Codespell
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2

pyproject.toml

@@ -1,3 +1,10 @@
 [tool.isort]
 profile = "black"
 multi_line_output = 3
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*'
+check-hidden = true
+# ignore-regex = ''
+ignore-words-list = 'ths'

test_project/test_dashboard_permissions.py

@@ -324,7 +324,7 @@ def test_user_can_edit(
         assert can_edit_using_admin == expected
         if can_edit_using_admin:
             # Check that they cannot edit the SQL queries, because they do not
-            # have the execute_sql permisssion
+            # have the execute_sql permission
             assert not user.has_perm("django_sql_dashboard.execute_sql")
             html = get_admin_change_form_html(client, user, dashboard_obj)
             soup = BeautifulSoup(html, "html5lib")