Add codespell support (config, workflow to detect/not fix) and make it fix some typos (#7864)

* Add github action to codespell preview on push and PRs

* Add rudimentary codespell config

* [DATALAD RUNCMD] chore: run codespell throughout fixing a few typos interactively

=== Do not change lines below ===
{
 "chain": [],
 "cmd": "codespell -w -i 3 -C 4 ./apps/web/core/components/workspace/delete-workspace-form.tsx ./deployments/cli/community/README.md",
 "exit": 0,
 "extra_inputs": [],
 "inputs": [],
 "outputs": [],
 "pwd": "."
}
^^^ Do not change lines above ^^^

* Adjust coespell regex to ignore all camelCased words

* [DATALAD RUNCMD] chore: run codespell throughout fixing a few  new typos automagically

=== Do not change lines below ===
{
 "chain": [],
 "cmd": "codespell -w",
 "exit": 0,
 "extra_inputs": [],
 "inputs": [],
 "outputs": [],
 "pwd": "."
}
^^^ Do not change lines above ^^^

.github/workflows/codespell.yml

@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [preview]
+  pull_request:
+    branches: [preview]
+
+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