Refactor codebase to use nix modules

hmModules/services/timers/default.nix

@@ -0,0 +1,60 @@
+{ config, pkgs, lib, ... }:
+let rootPath = ./.; in
+{
+  options.timer = {
+    enableHourly = lib.mkEnableOption "Enables an hourly notification";
+    enableQuarterly = lib.mkEnableOption "Enables a quarterly notification";
+  };
+
+  config = {
+    systemd.user.timers = {
+      hourly-time = lib.mkIf config.timer.enableHourly {
+        Timer = {
+          OnCalendar = "hourly";
+        };
+        Install = {
+          WantedBy = [
+            "timers.target"
+          ];
+        };
+      };
+      quarterly-time = lib.mkIf config.timer.enableQuarterly {
+        Timer = {
+          OnCalendar = "*-*-* *:15,30,45:00";
+        };
+        Install = {
+          WantedBy = [
+            "timers.target"
+          ];
+        };
+      };
+    };
+
+    systemd.user.services = {
+      hourly-time = lib.mkIf config.timer.enableHourly {
+        Unit = {
+          Description = "Notify the user every hour of time passing";
+        };
+        Service = {
+          Type="simple";
+          ExecStart="/home/pan/.config/timer_scripts/notify-time.sh 60000 1";
+        };
+      };
+      quarterly-time = lib.mkIf config.timer.enableQuarterly {
+        Unit = {
+          Description = "Notify the user every 15 minutes of time passing, \
+            skips hours";
+        };
+        Service = {
+          Type="simple";
+          ExecStart="/home/pan/.config/timer_scripts/notify-time.sh 10000 0";
+        };
+      };
+    };
+    xdg.configFile."timer-scripts" = {
+      source = rootPath + "/scripts";
+      target = "timer_scripts/";
+      executable = true;
+    };
+  };
+}