chore: .luacheckrc file initial commit

.luacheckrc

@@ -0,0 +1,62 @@
+-- vim: ft=lua syntax=lua softtabstop=3 tabstop=3 shiftwidth=3 fenc=utf-8 expandtab
+-- code: language=lua insertSpaces=true tabSize=3
+
+-- codes = true
+-- globals = {"_","vim"}
+stds.nvim = {
+  globals = {
+    "rvim",
+    "packer_plugins",
+    vim = { fields = { "g" } },
+    "TERMINAL",
+    "USER",
+    "C",
+    "Config",
+    "Api",
+    "Cmd",
+    "Fn",
+    "Keymap",
+    "Execute",
+    "G",
+    "_GlobalCallbacks",
+    "WhichKey",
+    "MUtils",
+    "fterm_cmd",
+    os = { fields = { "capture" } },
+  },
+  read_globals = {
+    "bit",
+    "jit",
+    "os",
+    "vim",
+    "packer_plugins",
+    "join_paths",
+    "get_runtime_dir",
+    "get_config_dir",
+    "get_cache_dir",
+    "get_user_dir",
+    "use",
+    "unpack",
+    vim = { fields = { "cmd", "api", "fn", "o", "wo", "bo" } },
+  },
+}
+std = "lua52+nvim"
+
+-- Don't report unused self arguments of methods.
+self = false
+
+-- Rerun tests only if their modification time changed.
+cache = true
+
+-- https://luacheck.readthedocs.io/en/stable/warnings.html
+-- "631", -- max_line_length
+ignore = {
+  "212/_.*", -- unused argument, for vars with "_" prefix
+  "111/_.*", -- unused argument, for functions with "_" prefix
+  "631/.*vim.*",
+}
+exclude_files = {
+   "plugin/packer_compiled.lua",
+   "tmp/*",
+}
+