overlays: Downgrade eza to 0.14.2

Fixes an issue where newer versions of eza don't align CJK characters
properly. See: https://github.com/eza-community/eza/issues/556

overlays/default.nix

@@ -2,6 +2,7 @@
   imports = [
     ./alejandra.nix
     ./cmus.nix
+    ./eza.nix
     ./hyprnome.nix
     ./zola.nix
   ];

overlays/eza.nix

@@ -0,0 +1,22 @@
+{
+  nixpkgs.overlays = [
+    (final: prev: {
+      eza = prev.eza.overrideAttrs (oldAttrs: rec {
+        version = "0.14.2";
+
+        src = prev.fetchFromGitHub {
+          owner = "eza-community";
+          repo = "eza";
+          rev = "v${version}";
+          hash = "sha256-eST70KMdGgbTo4FNL3K5YGn9lwIGroG4y4ExKDb30hU=";
+        };
+
+        cargoDeps = oldAttrs.cargoDeps.overrideAttrs (prev.lib.const {
+          name = "eza-vendor.tar.gz";
+          inherit src;
+          outputHash = "sha256-bF4Thh/KUOLQz4MmM0WqQmXXT8dsLjy9ngy1UN5ACk8=";
+        });
+      });
+    })
+  ];
+}