add logic to prompt for PD teams

[Mhodesty]

Improve config creation and add interactive team selection

Changes

Fix srepd config --create to actually create the file

• Previously just printed example config to stdout
• Now creates ~/.config/srepd/ directory if needed
• Writes srepd.yaml with example configuration
• Prevents overwriting existing config files

Add srepd config --list-teams command

• Fetches teams from PagerDuty API for current user
• Shows only teams you're a member of (not all teams in org)
• Displays team IDs and names ready for config

Interactive team selection on first startup

• Detects placeholder teams in config on first run
• Prompts: "No teams found in config. This will result in zero tickets loaded in srepd. Would you like to add your teams now?"
• Allows multi-select (comma-separated: 1,3,5)
• Surgically updates config file preserving all comments and formatting
• Automatically updates teams section without touching other config

Before:

$ srepd config --create
# Example srepd configuration file
...

After:
$ srepd config --create
Config file created at /Users/user/.config/srepd/srepd.yaml
Please edit the file to add your PagerDuty credentials and team information.

Tip: After adding your token, run 'srepd config --list-teams' to see available teams.

Workflow

1. Run srepd config --create to create initial config
2. Add PagerDuty API token to config file
3. Run srepd - automatically prompts for team selection
4. Or manually run srepd config --list-teams to see teams first

[Mhodesty]

/retest