adding initial base config from astrovim

lua/configs/luasnip.lua

@@ -0,0 +1,17 @@
+local user_settings = astronvim.user_plugin_opts "luasnip"
+local luasnip = require "luasnip"
+if user_settings.config then luasnip.config.setup(user_settings.config) end
+for _, load_type in ipairs { "vscode", "snipmate", "lua" } do
+  local loader = require("luasnip.loaders.from_" .. load_type)
+  loader.lazy_load()
+  -- TODO: DEPRECATE _snippet_paths option in next major version release
+  local paths = user_settings[load_type .. "_snippet_paths"]
+  if paths then loader.lazy_load { paths = paths } end
+  local loader_settings = user_settings[load_type]
+  if loader_settings then loader.lazy_load(loader_settings) end
+end
+if type(user_settings.filetype_extend) == "table" then
+  for filetype, snippets in pairs(user_settings.filetype_extend) do
+    luasnip.filetype_extend(filetype, snippets)
+  end
+end