nvim: split plugins into multiple files

.config/nvim/lua/plugins/nvim-tree.lua

@@ -0,0 +1,30 @@
+return {
+  -- fileexplorer on the side
+  {
+    "nvim-tree/nvim-tree.lua",
+    cmd = "NvimTreeToggle",
+    dependencies = {
+      {
+        "nvim-tree/nvim-web-devicons",
+        lazy = true
+      },
+    },
+    opts = {
+      sort_by = "case_sensitive",
+      view = {
+        width = 30,
+      },
+      filters = {
+        dotfiles = true,
+      },
+      renderer = {
+        group_empty = true,
+        icons = {
+          glyphs = {
+            git = Git_signs
+          },
+        },
+      }
+    }
+  }
+}