Spell checking (#2070)

* ci: cleanup linters and add spelling checker

* docs: fix spelling and styling issues

.github/workflows/linting.yml

@@ -0,0 +1,51 @@
+name: Linting
+
+on:
+  push:
+  pull_request:
+    branches: [develop, main]
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  lint-rest:
+    name: "RestructuredText"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+    - name: Install rst-lint
+      run: pip install restructuredtext-lint
+    - name: Lint ResT files
+      run: rst-lint ${{ join(github.workspace, '/docs') }}
+
+  lint-md:
+    name: "Markdown"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+    - name: Use markdownlint
+      uses: actionshub/markdownlint@v3.1.3
+      with:
+        filesToIgnoreRegex: "CHANGELOG.md|tools\\/autotag\\/templates\\/."
+
+  spelling:
+    name: "Spelling"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+    - name: Fetch config
+      shell: sh
+      run: |
+        curl --silent --show-error --fail --location https://raw.github.com/RadeonOpenCompute/rocm-docs-core/develop/.spellcheck.yaml -O
+        curl --silent --show-error --fail --location https://raw.github.com/RadeonOpenCompute/rocm-docs-core/develop/.wordlist.txt >> .wordlist.txt
+    - name: Run spellcheck
+      uses: rojopolis/spellcheck-github-actions@0.30.0
+    - name: On fail
+      if: failure()
+      run: |
+        echo "Please check for spelling mistakes or add them to '.wordlist.txt' in either the root of this project or in rocm-docs-core."