feat: Allow for custom CLI and variable options

* feat: (AppRunner) Mechanism to configure cli args and derive componentsjs vars from them implemented

* fix: (AppRunner) tidying

* fix: (AppRunner) tidying up

* fix: (AppRunner) runCli method made sync

* fix; (VarResolver) refactored to multiple files, and other stylistic fixes.

* chore: (AppRunner) Uses builder pattern for yargs base arguments setup to enable better typescript inference

* fix(AppRunner): refactoring AppRunner and VarResolver

* fix(AppRunner): refactoring AppRunner promise handling

* fix(AppRunner): verror dependency removal

* fix: Simplify CLI error handling

* feat: Use same config for both CLI and app instantiation

* fix: Update typings and imports

* feat: Split VariableResolver behaviour to 2 classes

* feat: Move default value behaviour from CLI to ValueComputers

* test: Add unit tests for new CLI classes

* feat: Integrate new CLI configuration with all default configurations

* feat: Add createApp function to AppRunner

* docs: Update comments in CLI-related classes

* fix: Various fixes and refactors

Co-authored-by: damooo <damodara@protonmail.com>

src/logging/LogLevel.ts

@@ -1,4 +1,6 @@
+export const LOG_LEVELS = [ 'error', 'warn', 'info', 'verbose', 'debug', 'silly' ] as const;
+
 /**
  * Different log levels, from most important to least important.
  */
-export type LogLevel = 'error' | 'warn' | 'info' | 'verbose' | 'debug' | 'silly';
+export type LogLevel = typeof LOG_LEVELS[number];