nix: refactor modules pass 2

nix/configurations/vanadium/home/dev.nix

@@ -0,0 +1,46 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: {
+  home.packages = [
+    # preview markdown
+    pkgs.python3Packages.grip
+
+    pkgs.gh
+  ];
+
+  programs.neovim.extraPackages = [
+    # fish
+    pkgs.fish-lsp
+
+    # spellchecking
+    pkgs.myPkgs.ltex-ls-plus
+  ];
+
+  programs.git = {
+    signing.signByDefault = true;
+    maintenance = {
+      enable = true;
+      repositories =
+        lib.map (path: "${config.home.homeDirectory}/${path}")
+        [
+          "r/nixos/nixpkgs"
+        ];
+    };
+  };
+
+  programs.vscode = {
+    enable = true;
+    extensions = [
+      pkgs.vscode-extensions.redhat.java
+      pkgs.vscode-extensions.vscjava.vscode-java-pack
+    ];
+  };
+
+  programs.go = {
+    enable = true;
+    goPath = ".go";
+  };
+}