Vale improvements (#1212)

* update header exceptions

* remove FirstPerson rule

it mostly flags UI elements like "My profile"

* remove Will - too noisy

* add drilldown to accept list

* update accepted words

Author: ethanpalm

.vale/styles/Google/FirstPerson.yml

@@ -7,13 +7,15 @@ match: $sentence
 exceptions:
   - API
   - APIs
-  - APP
   - CDN
   - CORS
   - CLI
+  - Cloudflare
+  - Cloudflare Worker
   - CSS
   - DNS
   - GitHub
+  - GitHub App
   - GitLab
   - HTML
   - JavaScript
@@ -36,4 +38,5 @@ exceptions:
   - UX
   - URL
   - URLs
+  - Vercel
   - Windows

.vale/styles/Google/Headings.yml

@@ -11,6 +11,7 @@ discoverability
 callout
 Callouts
 callouts
+drilldown
 expandables
 favicon
 isHidden
@@ -92,26 +93,31 @@ RubyGems
 Rust
 Spring
 Storybook
+subpath
 Swift
 TensorFlow
 Terraform
 TypeDoc
 TypeScript
 Unix
+Vercel
+vercel
 Vite
 vite
 Visual Studio Code
 VS Code
 Vue
 Vuex
+Webflow
+WebKit
 Webpack
 webpack
-WebKit
 WebStorm
 
 # =============================================================================
 # TERMS
 # =============================================================================
+allowlist
 APIs
 args
 async