feat: enable GitHub Copilot preview features (#275)

Author: lsorber

.devcontainer/devcontainer.json

@@ -32,7 +32,10 @@
                     100
                 ],
                 "files.autoSave": "onFocusChange",
+                "github.copilot.chat.agent.enabled": true,
+                "github.copilot.chat.edits.codesearch.enabled": true,
                 "github.copilot.chat.edits.enabled": true,
+                "github.copilot.nextEditSuggestions.enabled": true,
                 "python.defaultInterpreterPath": "/workspaces/substrate/.venv/bin/python",
                 "python.terminal.activateEnvironment": true,
                 "terminal.integrated.env.linux": {

template/.devcontainer/devcontainer.json.jinja

@@ -58,7 +58,10 @@
                     100
                 ],
                 "files.autoSave": "onFocusChange",
+                "github.copilot.chat.agent.enabled": true,
+                "github.copilot.chat.edits.codesearch.enabled": true,
                 "github.copilot.chat.edits.enabled": true,
+                "github.copilot.nextEditSuggestions.enabled": true,
                 "jupyter.kernels.excludePythonEnvironments": [
                     "/usr/local/bin/python"
                 ],

{{ cookiecutter.__project_name_kebab_case }}/.devcontainer/devcontainer.json

@@ -54,7 +54,10 @@
                     100
                 ],
                 "files.autoSave": "onFocusChange",
+                "github.copilot.chat.agent.enabled": true,
+                "github.copilot.chat.edits.codesearch.enabled": true,
                 "github.copilot.chat.edits.enabled": true,
+                "github.copilot.nextEditSuggestions.enabled": true,
                 "jupyter.kernels.excludePythonEnvironments": ["/usr/local/bin/python"],
                 "mypy-type-checker.importStrategy": "fromEnvironment",
                 "mypy-type-checker.preferDaemon": true,