refactor: turn asdf into a forge

[github-actions[bot]]

Package	Line Rate	Complexity	Health
src	87%	0	✔
src.cli	84%	0	✔
src.cli.alias	89%	0	✔
src.cli.args	97%	0	✔
src.cli.backends	95%	0	✔
src.cli.cache	95%	0	✔
src.cli.config	92%	0	✔
src.cli.direnv	80%	0	✔
src.cli.generate	87%	0	✔
src.cli.plugins	87%	0	✔
src.cli.settings	93%	0	✔
src.cli.sync	29%	0	❌
src.cli.tasks	71%	0	➖
src.config.config_file	89%	0	✔
src.config	87%	0	✔
src.forge	79%	0	✔
src.plugins.core	55%	0	➖
src.plugins	93%	0	✔
src.shell	98%	0	✔
src.toolset	86%	0	✔
src.ui	64%	0	➖
Summary	82% (13702 / 16768)	0	✔

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.00%	:white_check_mark: 55.17%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (fa4793aa4d1fe77a780664fc8d699cd8b3df14f2) | 16768 | 13702 | 81.72% | | | Head commit (30254c057bc671ffb2f2d6ea74f9b3377f87468a) | 16768 (+0) | 13702 (+0) | 81.72% (**+0.00%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#2219) | 87 | 48 | **55.17%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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