Add typos check action and config.

.github/workflows/lint.yml

@@ -40,6 +40,16 @@ jobs:
           scandir: './ci'
         env:
           SHELLCHECK_OPTS: -x
+  typos:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Actions Repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+        submodules: true
+    - uses: crate-ci/typos@master
+
   version-cmake-up-to-date:
     runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, 'skip ci')"
@@ -74,4 +84,3 @@ jobs:
           set -eux
           pwd
           [[ "$(cat ./rnp/version.txt)" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]];
-

_typos.toml

@@ -0,0 +1,32 @@
+[default]
+extend-ignore-identifiers-re = [
+    ".*fpr.*",
+    ".*FPR.*",
+    ".*[0-9a-fA-F]{4,}",
+]
+
+[default.extend-identifiers]
+validate_desig_revokes = "validate_desig_revokes"
+desig_rev = "desig_rev"
+Nominet = "Nominet"
+NOMINET = "NOMINET"
+PNGs = "PNGs"
+FOF = "FOF"
+EDE3 = "EDE3"
+ede3 = "ede3"
+ffrom = "ffrom"
+clen = "clen"
+__THW_INTEL__ = "__THW_INTEL__"
+
+[default.extend-words]
+MERCHANTIBILITY = "MERCHANTIBILITY"
+FOF = "FOF"
+FO = "FO"
+claus = "claus"
+desig = "desig"
+
+[files]
+extend-exclude = [
+    "src/tests/data/**",
+    "src/libsexpp/**"
+]