fix(keymap): add TUI scroll binds

lua/core/keymap.lua

@@ -31,6 +31,29 @@ end)
 -- Enable <C-w> window commands in terminal mode
 vim.keymap.set("t", "<C-w>", "<C-\\><C-n><C-w>")
 
+--- Binds for scrolling in TUIs
+vim.keymap.set("t", "<C-u>", function()
+    vim.api.nvim_feedkeys(
+        vim.api.nvim_replace_termcodes("<PageUp>", true, false, true),
+        "n",
+        false
+    )
+end)
+vim.keymap.set("t", "<C-d>", function()
+    vim.api.nvim_feedkeys(
+        vim.api.nvim_replace_termcodes("<PageDown>", true, false, true),
+        "n",
+        false
+    )
+end)
+vim.keymap.set("t", "<C-q>", function()
+    vim.api.nvim_feedkeys(
+        vim.api.nvim_replace_termcodes("<C-d>", true, false, true),
+        "n",
+        false
+    )
+end)
+
 -- Use :diffput/get instead of normal one to allow staging visual selection
 vim.keymap.set({ "n", "x" }, "<leader>dp", ":diffput<CR>")
 vim.keymap.set({ "n", "x" }, "<leader>do", ":diffget<CR>")