ci: add typos action

Author: hulxv

.github/workflows/typos.yml

@@ -0,0 +1,15 @@
+name: Spell Checker action
+on: [pull_request, push]
+
+jobs:
+  run:
+    name: Start Spell Checking with Typos
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Actions Repository
+        uses: actions/checkout@v2
+
+      - name: Check spelling of * Files
+        uses: crate-ci/typos@master
+        with:
+          files: ./*