Switch to using vale

Author: spier

.github/workflows/vale.yml

@@ -0,0 +1,23 @@
+name: Spelling & Styles
+
+on:
+  push:
+    branches:
+    - main
+    paths:
+    - '**.md'
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  vale:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Vale Linting
+      uses: errata-ai/vale-action@reviewdog
+      with:
+        files: '["product/*.md"]'

.gitignore

@@ -4,4 +4,5 @@ scripts/node_modules
 scripts/learningpath
 scripts/newsite
 scripts/.env
-.vs
+.vs
+.github/vale/*

.vale.ini

@@ -0,0 +1,7 @@
+StylesPath = .github/vale
+MinAlertLevel = suggestion
+
+Packages = https://github.com/InnerSourceCommons/isc-styles/releases/latest/download/ISC.zip
+
+[*]
+BasedOnStyles = ISC