feat(@schematics/angular): add schematics to generate ai context files

[JeanMeche]

• ng generate ai-config to prompt support tools.
• ng generate ai-config --tool=gemini to specify the tool.
• ng new will prompt to config AI tools.
• ng new --ai-config=gemini to create a new project with AI configuration.

Supported AI tools: gemini, claude, copilot, windsurf, jetbrains, cursor.

[alan-agius4]

Some minor things and the commit message is still outdated.

Outdated.

[alan-agius4]

Mostly NITs, but I think there is a bug with the "none" value.

[alan-agius4]

NIT: As a follow up can we improve the prompt to include some more details

  "x-prompt": {
        "message": "Which AI tools do you want to configure with Angular best practices? https://angular.dev/ai/develop-with-ai",
        "type": "list",
        "items": [
          {
            "value": "none",
            "label": "None"
          },
          {
            "value": "copilot",
            "label": "Copilot powered IDEs     [ https://https://code.visualstudio.com/docs/copilot/copilot-customization#_custom-instructions ]"
          },
          {
            "value": "cursor",
            "label": "Cursor                   [ https://docs.cursor.com/en/context/rules                                                      ]"
          }
        ]
       ...
      },

[JeanMeche]

Will take care of it in a follow up.

[alan-agius4]

There are still a couple of mistakes in the commit message (fixed below)

* `ng generate ai-config` to prompt support tools.
* `ng generate ai-config --tool=gemini` to specify the tool.
* `ng new` will prompt to config AI tools.
* `ng new --ai-config=gemini` to create a new project with AI configuration.

Supported AI tools: gemini, claude, copilot, windsurf, jetbrains, cursor.

[alan-agius4]

2 comments to fix the prompt, as I highly doubt it works right now.

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