chore: add typos

Author: ryoppippi

flake.nix

@@ -27,6 +27,8 @@
               # formatting and linting tools
               similarity
               nixfmt-rfc-style
+              typos
+              typos-lsp
             ];
 
             shellHook = ''

typos.toml

@@ -0,0 +1,16 @@
+[default]
+locale = 'en-us'
+extend-ignore-re = [
+  "(?s)(#|//)\\s*spellchecker:off.*?\\n\\s*(#|//)\\s*spellchecker:on",
+  "(?s)<!--\\s*spellchecker:off.*?\\n\\s*spellchecker:on\\s*-->",
+  "(?Rm)^.*#\\s*spellchecker:disable-line$",
+  "(?m)^.*<!--\\s*spellchecker:disable-line\\s*-->\\n.*$"
+]
+
+[files]
+extend-exclude = [
+  "node_modules",
+  "package.json",
+  "pnpm-lock.yaml",
+  "pnpm-workspace.yaml",
+]