Add VS Code config

Author: XhmikosR

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "EditorConfig.EditorConfig",
+    "foxundermoon.shell-format",
+    "timonwong.shellcheck"
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,13 @@
+{
+  "editor.linkedEditing": true,
+  "editor.tabSize": 2,
+  "editorconfig.generateAuto": false,
+  "files.eol": "\n",
+  "files.insertFinalNewline": true,
+  "files.trimFinalNewlines": true,
+  "shellcheck.useWorkspaceRootAsCwd": true,
+  "[shellscript]": {
+    "editor.defaultFormatter": "foxundermoon.shell-format",
+    "editor.formatOnSave": true
+  }
+}