ci,contrib: add typos and pre-commit script

.github/workflows/ci.yaml

@@ -37,6 +37,9 @@ jobs:
       - name: Rustdoc
         run: cargo doc --workspace --no-deps
 
+      - name: Typos
+        uses: crate-ci/typos@v1.26.0
+
   test:
     strategy:
       fail-fast: false

blahd/src/id.rs

@@ -38,7 +38,7 @@ impl IdExt for Id {
                 last_id.set(id);
                 Id(id)
             } else {
-                // Otherwise, try to increse the trailing counter.
+                // Otherwise, try to increase the trailing counter.
                 assert!(prev < (1 << 16), "id counter overflow");
                 last_id.set(prev + 1);
                 Id(prev + 1)

contrib/pre-commit

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -euo pipefail
+typos
+cargo fmt -- --check
+fd -e nix | xargs nixfmt --check