chore: add typos configuration

- Add typos.toml to configure exclusions
for the typos spell checker
- Update treefmt.toml to run typos on the
entire git repository rathern than individual
files
- Set dream2nix's nixpkgs input to track the
flakes's nixpkgs since it is not up to date

Author: polykernel

.envrc

@@ -7,4 +7,4 @@ nix_direnv_manual_reload
 watch_file flake.nix
 watch_file flake.lock
 
-use flake
+use flake .

flake.lock

@@ -2,10 +2,14 @@
   description = "Polypkgs flake";
 
   inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs?ref=nixpkgs-unstable";
+
     dream2nix.url = "github:nix-community/dream2nix";
-    flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.follows = "dream2nix/nixpkgs";
+    dream2nix.inputs.nixpkgs.follows = "nixpkgs";
+
     pre-commit-hooks.url = "github:cachix/git-hooks.nix";
+
+    flake-utils.url = "github:numtide/flake-utils";
   };
 
   outputs =

flake.nix

@@ -13,5 +13,5 @@ options = ["-i"]
 [formatter.typos]
 command = "typos"
 excludes = []
-includes = ["*"]
-options = ["--write-changes"]
+includes = ["."]
+options = []

treefmt.toml

@@ -0,0 +1,5 @@
+[files]
+extend-exclude = [
+  "typos.toml",
+  "flake.lock"
+]