diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..e06fcbd
--- /dev/null
+++ b/init.lua
@@ -0,0 +1 @@
+require("core.mappings")
diff --git a/lua/core/mappings.lua b/lua/core/mappings.lua
new file mode 100644
index 0000000..0ed2de7
--- /dev/null
+++ b/lua/core/mappings.lua
@@ -0,0 +1,3 @@
+vim.g.mapleader = " "
+-- open file browser
+vim.keymap.set("n", "<leader>e", vim.cmd.Ex)