remove toggleterm and add keybinds for split navigation

nixos/nixvim/keymaps.nix

@@ -6,8 +6,16 @@
         action = "<cmd> lua vim.lsp.buf.format() <cr>";
       }
       {
-        key = "<c-t>";
-        action = "<cmd>ToggleTerm size=10 direction=horizontal<cr>";
+        key = "<leader>j";
+        action = "<cmd> split <cr>";
+      }
+      {
+        key = "<leader>l";
+        action = "<cmd> vsplit <cr>";
+      }
+      {
+        key = "<leader>t";
+        action = "<cmd>terminal<cr>";
       }
       {
         key = "<leader>tf";
@@ -38,6 +46,22 @@
         key = "<C-h>";
         action = "<C-W>h";
       }
+      {
+        key = "<M-l>";
+        action = "<C-W>>";
+      }
+      {
+        key = "<M-k>";
+        action = "<C-W>+";
+      }
+      {
+        key = "<M-j>";
+        action = "<C-W>-";
+      }
+      {
+        key = "<M-h>";
+        action = "<C-W><";
+      }
     ];
   };
 }

nixos/nixvim/nixvim.nix

@@ -25,6 +25,8 @@
       shiftwidth = 8;
       expandtab = true;
       swapfile = false;
+      splitright = true;
+      splitbelow = true;
     };
     extraPackages = with pkgs; [
       nixfmt

nixos/nixvim/plugins/plugins.nix

@@ -1,7 +1,6 @@
 {
   imports = [
     ./barbar.nix
-    ./toggleterm.nix
     ./cord.nix
     ./telescope.nix
     ./statusline.nix