feat(nix): move Nix configuration to root level

home/ack/ack

@@ -0,0 +1,32 @@
+# group the results by file
+--group
+
+# only search case-sensitiv with mixed case
+--smart-case
+
+# follow symlinks
+--follow
+
+# Colorful output
+--color
+
+# Ignore directories
+--ignore-dir=vendor
+--ignore-dir=log
+--ignore-dir=tmp
+--ignore-dir=gems
+--ignore-dir=node_modules
+--ignore-dir=bower_components
+
+# Add file types
+--type-set=css=.css,.less,.scss,.styl
+--type-set=html=.html,.mustache,.handlebars,.tmpl
+--type-set=json=.json
+--type-set=less=.less
+--type-set=md=.markdown,.md
+--type-set=sass=.sass,.scss
+--type-set=styl=.styl
+--type-set=style=.scss,.sass,.styl,.less,.css
+--type-set=svg=.svg
+--type-set=ts=.ts
+

home/ack/default.nix

@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+
+{
+  home.file.".ack" = {
+    source = ./ack;
+  };
+
+  home.packages = [ pkgs.ack ];
+}