add(nix): nixified common

nix/home/common/git/default.nix

@@ -0,0 +1,33 @@
+{...}: {
+  programs = {
+    git = {
+      enable = true;
+      userEmail = "leana.jiang@icloud.com";
+      userName = "Léana 江";
+      signing = {
+        key = "3659D5C87A4BC5D7699B37D84E887A4CA9714ADA";
+        signByDefault = true;
+      };
+      lfs.enable = true;
+      delta = {
+        enable = true;
+        options = {
+          syntax-theme = "OneHalfLight";
+          features = "side-by-side";
+        };
+      };
+      extraConfig = {
+        init = {defaultBranch = "mistress";}; # haha gay haha
+        push = {autoSetupRemote = true;};
+        pull = {ff = "only";};
+        safe = {directory = "/etc/docker/compose";};
+      };
+      ignores = [
+        "*~"
+        "*.swp"
+        ".direnv/"
+      ];
+    };
+    bat.enable = true;
+  };
+}