Lint spelling seperately from markdown syntax + add .github folder to markdown linter

.github/workflows/lint.yml

@@ -57,4 +57,19 @@ jobs:
         run: npx ropm install
       - uses: xt0rted/markdownlint-problem-matcher@98d94724052d20ca2e06c091f202e4c66c3c59fb # v2
       - name: Lint markdown files
-        run: npm run lint-markdown
+        run: npm run lint-markdown
+  spelling:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone github repo
+        uses: actions/checkout@master
+      - uses: actions/setup-node@master
+        with:
+          node-version: "lts/*"
+          cache: "npm"
+      - name: Install npm dependencies
+        run: npm ci
+      - name: Install roku package dependencies
+        run: npx ropm install
+      - name: Check markdown files for spelling errors
+        run: npm run lint-spelling

package.json

@@ -17,7 +17,8 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "lint": "bslint",
     "lint-json": "jshint --extra-ext .json --verbose --exclude node_modules ./",
-    "lint-markdown": "markdownlint-cli2 \"**/*.md\" \"#node_modules\" && spellchecker -d dictionary.txt --files **/*.md !**/node_modules/**/*.md",
+    "lint-markdown": "markdownlint-cli2 \"**/*.md\" \"#node_modules\"",
+    "lint-spelling": "spellchecker --no-gitignore -d dictionary.txt --files **/*.md **/.*/**/*.md !**/node_modules/**/*.md",
     "check-formatting": "npx bsfmt --check",
     "format": "npx bsfmt --write"
   },