Added flake for myself

flake.nix

@@ -0,0 +1,44 @@
+{
+  description = "Personal interception-vimproved fork";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+
+  outputs = { self, nixpkgs }: {
+    overlays.default = final: prev: {
+      interception-vimproved-personal = final.stdenv.mkDerivation {
+        pname = "interception-vimproved-personal";
+        version = "git";
+
+        # this flake's source
+        src = self;
+
+        nativeBuildInputs = [ final.gnumake final.pkg-config ];
+        buildInputs       = [ final.libevdev final.udev ];
+
+        buildPhase = "make";
+
+        installPhase = ''
+          mkdir -p $out/bin
+          cp interception-vimproved $out/bin/
+        '';
+      };
+    };
+
+    nixosModules.interception-vimproved-personal = { config, pkgs, ... }: {
+      hardware.uinput.enable = true;
+
+      services.interception-tools = {
+        enable = true;
+        plugins = [ ];
+
+        udevmonConfig = ''
+          - JOB: "${pkgs.interception-tools}/bin/intercept -g $DEVNODE \
+                  | ${pkgs.interception-vimproved-personal}/bin/interception-vimproved \
+                  | ${pkgs.interception-tools}/bin/uinput -d $DEVNODE"
+            DEVICE:
+              NAME: ".*(Keyboard|keyboard|kbd).*"
+        '';
+      };
+    };
+  };
+}