Add spellcheck workflow and config

.github/config/custom-wordlist.txt

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+CUDA
+neuralmagic
+Neuralmagic
+Neuralmagic's
+nm
+OpenAI
+pre
+premade
+PyPI
+vllm
+vLLM

.github/config/spellcheck.yml

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+matrix:
+- name: Markdown
+  pipeline:
+  - pyspelling.filters.html:
+      comments: false
+      ignores:
+      - code
+      - pre
+  aspell:
+    lang: en
+    d: en_US
+    mode: markdown
+  dictionary:
+    wordlists:
+    - .github/config/custom-wordlist.txt
+  sources:
+  - '**/*.md'

.github/workflows/spellcheck.yaml

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+name: Spellcheck
+
+on: push
+
+jobs:
+
+  SPELLCHECK:
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: actions/checkout@v4
+
+      - name: Common misspellings check
+        uses: codespell-project/actions-codespell@v2
+
+      - name: Check spelling
+        uses: rojopolis/spellcheck-github-actions@v0
+        if: '!cancelled()'
+        with:
+          config_path: .github/config/spellcheck.yml
+          source_files: README.md
+          task_name: Markdown

.gitignore

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+venv