🤖 Add Copilot instructions

Author: stoe

.gitignore

@@ -1,6 +1,7 @@
 config/*
-!config/rubocop/config.yml
+!config/copilot-instructions.md
 !config/gh/config.yml
+!config/rubocop/config.yml
 
 *-ghedr
 *-local

.vscode/settings.json

@@ -93,6 +93,14 @@
   "github.copilot.advanced": {},
   "github.copilot.editor.enableAutoCompletions": true,
   "github.copilot.chat.edits.enabled": true,
+  "github.copilot.chat.experimental.codeGeneration.instructions": [
+    {
+      "file": "/Users/stoe/code/private/.dotfiles/config/copilot-instructions.md"
+    },
+    {
+      "file": ".github/copilot-instructions.md"
+    }
+  ],
   "github.copilot.enable": {
     "*": true,
     "javascript": true,
@@ -306,10 +314,5 @@
   },
   "[yaml]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
-  },
-  "github.copilot.chat.codeGeneration.instructions": [
-    {
-      "file": ".github/copilot-instructions.md"
-    }
-  ]
+  }
 }

config/copilot-instructions.md

@@ -0,0 +1,8 @@
+For any code use `.editorconfig` within the workspace, or the global one at `/Users/stoe/code/private/.dotfiles/.editorconfig`.
+
+For Ruby code, always use `/Users/stoe/code/private/.dotfiles/config/rubocop/config.yml` as the RuboCop configuration file.
+
+For JavaScript/TypeScript/Node.js code, always use following config files inside of the workspace (if present):
+
+- `eslint.config.js`
+- `prettier.config.js` and `.prettierignore`, or use the global one at `/Users/stoe/code/private/.dotfiles/prettier.config.js` and `/Users/stoe/code/private/.dotfiles/.prettierignore`.