ci(gh-actions): check typos

.github/workflows/lint.yml

@@ -28,3 +28,9 @@ jobs:
                 for file in "${FILES[@]}"; do
                   ajv validate -s appsettings-schema.json -d "$file"
                 done
+    typos:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - name: Check typos
+              uses: crate-ci/[email protected]

_typos.toml

@@ -0,0 +1,18 @@
+[default]
+extend-ignore-re = [
+    "\\\"([a-zA-Z0-9][a-zA-Z0-9])+\\\"",  # for hexadecimal string values.
+    "2nd"
+]
+
+[default.extend-identifiers]
+fo = "fo"  # FungibleOrder
+
+[default.extend-words]
+ba = "ba"  # byte array
+oce = "oce"  # OperationCanceledException
+Equipments = "Equipments"  # FIXME: Equipment is noncount word but our team doesn't have the policy about it.
+
+[files]
+extend-exclude = [
+    "Lib9c/*"
+]