ci: add typo checker

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/typos.yml

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+name: Check for typos
+
+on:
+  [push, pull_request, workflow_dispatch]
+
+jobs:
+  check-typos:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - run: git fetch origin ${{ github.base_ref }}
+
+      - name: Run spellcheck
+        uses: crate-ci/typos@v1.34.0

typos.toml

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+# typos.toml - configuration for the typos spellchecker
+# More info: https://github.com/crate-ci/typos
+# Also: https://cocalc.com/github/bevyengine/bevy/blob/main/typos.toml
+
+[default]
+locale = "en-us"
+extend-ignore-re = [
+    "(?i)wizzard" 
+]
+
+# [default.extend-words]
+
+# [default.extend-identifiers]
+
+# [default.extend-ignore-re] # Uncomment to ignore words via regex patterns
+# "\\bNDKs\\b",               # e.g., acronym or brand names
+
+# [files]
+# ignore-hidden = false # Include hidden files
+
+# extend-exclude = [
+#  "*.pbxproj",  # Ignore Xcode project metadata
+#  "*.patch",    # Ignore patch files
+#  "*.bin",      # Ignore binary files
+#  ".git/",      # Ignore Git metadata
+# ]