Refactored file structure to make more sense, made default.nixes less verbose

modules/sys/software/nixvim/keymaps.nix

@@ -0,0 +1,31 @@
+{
+  programs.nixvim = {
+    keymaps = [
+      {
+        action = "<C-W>W";
+        key = "<S-Tab>";
+        mode = "n";
+      }
+      {
+        action = "<C-w>w";
+        key = "<Tab>";
+        mode = "n";
+      }
+      {
+        action = "<cmd>FloatermToggle shadeterm<CR>";
+        key = "<F2>";
+        mode = "n";
+      }
+      {
+        action = "<cmd>NvimTreeToggle<CR>";
+        key = "<F3>";
+        mode = "n";
+      }
+      {
+        action = "<cmd>FloatermToggle shadeterm<CR>";
+        key = "<F2>";
+        mode = "t";
+      }
+    ];
+  };
+}