Add tmux and vim configuration files

- Introduced a comprehensive tmux configuration file with custom themes, key bindings, and session management options.
- Added a lightweight vim configuration file utilizing vim-plug for plugin management, including themes, fuzzy finder, file tree, and editing helpers.

terraform/.terraformrc

@@ -0,0 +1,9 @@
+provider_installation {
+  network_mirror {
+    url = "https://terraform-mirror.yandexcloud.net/"
+    include = ["registry.terraform.io/*/*"]
+  }
+  direct {
+    exclude = ["registry.terraform.io/*/*"]
+  }
+}