Moving to individual plugin files for lazy

Signed-off-by: Taken <taken@mairimashita.org>

lua/taken/plugins/toggleterm.lua

@@ -0,0 +1,12 @@
+return {
+    "akinsho/toggleterm.nvim",
+    version = "*",
+    cmd = "ToggleTerm",
+    config = function()
+        local toggleterm = require("toggleterm")
+        toggleterm.setup({
+            shell = "pwsh.exe -nologo",
+            start_in_insert = true,
+        })
+    end,
+}