Add EasyEffects module and enable it across hosts

Add new home module for EasyEffects and include it in the default home
modules
list. Enable EasyEffects in Desktop, Laptop, and default host
configurations.
Update flake.lock entries to newer revisions. Adjust Garand‑Laptop
hardware.nix to nest hardware settings.

flake.lock

@@ -18,11 +18,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1776949098,
-        "narHash": "sha256-rqp4XGkcirU3dlcvJiFhxmQuwV1E6UzDpElB8/2qqZ0=",
+        "lastModified": 1777107568,
+        "narHash": "sha256-x+BBoim5p3dnPCeOrWp5V5IR09YzG3bPD0g60jsyvy4=",
         "owner": "mrshmllow",
         "repo": "affinity-nix",
-        "rev": "9989df33b2aa6ad66441a2c83b817652754d8705",
+        "rev": "63978027513e2bafbf8c3acd7b05cb9b0ed24a03",
         "type": "github"
       },
       "original": {
@@ -201,11 +201,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1776916994,
-        "narHash": "sha256-FgqUwRZ2bwbE5w1bCUv9MB3gvwqZ4oEyCgZ6z/6jdTY=",
+        "lastModified": 1777089773,
+        "narHash": "sha256-ZIlNuebeWTncyl7mcV9VbceSLAaZki+UeXLPQG959xI=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "a2236006e5c70e2fc06e9acb016b1ac9c0fd5935",
+        "rev": "402ba229617a12d918c2a887a4c83a9a24f9a36c",
         "type": "gitlab"
       },
       "original": {
@@ -403,11 +403,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1776964438,
-        "narHash": "sha256-AF0cby9Xuijr5qaFpYKbm1mExV956Hk233bel6QxpFw=",
+        "lastModified": 1777138498,
+        "narHash": "sha256-mZdL0akv+PiA9h4DXNVGCqUeV5NiODy5lzRWoDsYhtI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "e09259dd2e147d35ef889784b51e89b0a10ffe15",
+        "rev": "026e21038902970e54226133e718e8c197fac799",
         "type": "github"
       },
       "original": {
@@ -476,11 +476,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1776548001,
-        "narHash": "sha256-ZSK0NL4a1BwVbbTBoSnWgbJy9HeZFXLYQizjb2DPF24=",
+        "lastModified": 1776877367,
+        "narHash": "sha256-EHq1/OX139R1RvBzOJ0aMRT3xnWyqtHBRUBuO1gFzjI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b12141ef619e0a9c1c84dc8c684040326f27cdcc",
+        "rev": "0726a0ecb6d4e08f6adced58726b95db924cef57",
         "type": "github"
       },
       "original": {
@@ -529,11 +529,11 @@
         "noctalia-qs": "noctalia-qs"
       },
       "locked": {
-        "lastModified": 1776888984,
-        "narHash": "sha256-Up2F/eoMuPUsZnPVYdH5TMHe1TBP2Ue1QuWd0vWZoxY=",
+        "lastModified": 1777079905,
+        "narHash": "sha256-TvYEXwkZnRFQRuFyyqTNSfPnU2tMdhtiBOXSk2AWLJA=",
         "owner": "noctalia-dev",
         "repo": "noctalia-shell",
-        "rev": "2c1808f9f8937fc0b82c54af513f7620fec56d71",
+        "rev": "a50c92167c8d438000270f7eca36f6eea74f388e",
         "type": "github"
       },
       "original": {