Internal monitor notifications set through config

[GabrielSalla]

No description provided.

[Copilot]

Pull Request Overview

This PR integrates internal monitor notifications into the application by refactoring notification creation and updating configuration and documentation accordingly.

• Updates and extends tests to cover SlackNotification creation and internal monitor notification behavior.
• Refactors the SlackNotification and BaseNotification to use AlertPriority instead of int, and adjusts config and docs to match.
• Updates plugin initialization order in main and cleans up module exports.

Reviewed Changes

Copilot reviewed 18 out of 18 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/plugins/slack/notifications/test_slack_notification.py	Adds parameterized tests for SlackNotification creation.
tests/notifications/test_internal_monitor_notification.py	Introduces tests for internal monitor notifications and error cases.
tests/module_loader/test_checker.py	Updates BaseNotification type hints to use AlertPriority.
src/plugins/slack/notifications/slack_notification.py	Refactors SlackNotification creation logic with improved types.
src/plugins/slack/init.py	Adjusts exports to include notifications module.
src/notifications/internal_monitor_notification.py	Implements internal monitor notification creation logic.
src/notifications/base_notification.py	Updates BaseNotification protocol for AlertPriority usage.
src/main.py	Reorders plugin initialization for dependency correctness.
src/configs/configs_loader.py	Adds internal_monitors_notification config loading.
sample_monitors/test_monitor/test_monitor.py	Switches sample monitor notification to use internal notification.
resources/kubernetes_template/config_map.yaml	Adds internal_monitors_notification configuration.
internal_monitors/monitor_high_active_issues_count/monitor_high_active_issues_count.py	Updates notification instantiation for internal monitors.
docs/plugins/slack.md	Revises documentation to clarify usage of environment variables.
docs/plugins/plugins.md	Updates examples to reflect AlertPriority usage.
docs/configuration_file.md	Expands configuration documentation for internal monitors.
configs/configs.yaml	Adds internal_monitors_notification config section.
configs/configs-scalable.yaml	Adds internal_monitors_notification config section.

Comments suppressed due to low confidence (3)

tests/plugins/slack/notifications/test_slack_notification.py:29

• [nitpick] Consider renaming the test function 'test_slacknotification_create' to 'test_slack_notification_create' for improved readability and consistency in naming conventions.

@pytest.mark.parametrize(

docs/plugins/slack.md:15

• The documentation now includes redundant entries for SLACK_MAIN_CHANNEL and SLACK_MAIN_MENTION; consider consolidating these descriptions for clarity and consistency.

- `SLACK_MAIN_CHANNEL`: The Slack channel where notifications for **internal monitors** and **sample monitors** will be sent. Example: `C0011223344`.

internal_monitors/monitor_high_active_issues_count/monitor_high_active_issues_count.py:13

• The 'PriorityLevels' import appears to be unused; consider removing it to keep the code clean and avoid unnecessary dependencies.

    PriorityLevels,