chore: initial project setup

plugin/watchexec.lua

@@ -0,0 +1,9 @@
+if vim.g.loaded_watchexec then
+  return
+end
+
+vim.g.loaded_watchexec = 1
+
+vim.api.nvim_create_user_command("SayHello", function()
+  require("watchexec").say_hello()
+end, {})