Add spellcheck Github action to catch common spelling mistakes

.github/spell-check.toml

@@ -0,0 +1,21 @@
+[default]
+extend-ignore-re = [
+    # Ignore JWT/JWE tokens
+    "\\beyJ[\\dA-Za-z=_-]+(?:\\.[\\dA-Za-z=_-]{3,}){1,4}",
+]
+
+[default.extend-identifiers]
+# Common registered claim abbreviations
+alg = "alg"
+typ = "typ"
+iss = "iss"
+sub = "sub"
+aud = "aud"
+exp = "exp"
+nbf = "nbf"
+iat = "iat"
+jti = "jti"
+cty = "cty"
+
+# Custom exceptions (i.e. Github Usernames, proper nouns etc)
+thaJeztah = "thaJeztah"

.github/workflows/spell-check.yml

@@ -0,0 +1,25 @@
+name: spelling
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  CLICOLOR: 1
+
+jobs:
+  spelling:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v4
+      - name: Spell Check Repo
+        uses: crate-ci/[email protected]
+        with:
+          config: ./.github/spell-check.toml