Enable support for experimental decorators

Dependencies

• [2] YUVLBWV3 Populate resource groups for unrecorded and untracked changes
• [3] QGP57DI2 Fix handling of empty json diff
• [4] B4SKYP3Y Add repository model and add steps to initialize it
• [5] ZGMIJNFV Create pijul.ts for executing commands using the Pijul CLI
• [*] NCBEWRYE Initialize Repository

Change contents

• edit in tsconfig.json at line 9
  [7.104500]

  [7.104500]
  + "experimentalDecorators": true,
• replacement in src/repository.ts at line 9
  [3.348]→[3.348:419](∅→∅)
  − private readonly unrecordedChangesGroup: SourceControlResourceGroup;
  [3.348]

  [3.419]
  + private readonly changedGroup: SourceControlResourceGroup;
• replacement in src/repository.ts at line 26
  [3.1104]→[3.1104:1221](∅→∅)
  − this.unrecordedChangesGroup = this.sourceControl.createResourceGroup('unrecordedChanges', 'Unrecorded Changes');
  [3.1104]

  [3.1221]
  + this.changedGroup = this.sourceControl.createResourceGroup('changed', 'Unrecorded Changes');
• replacement in src/repository.ts at line 28
  [3.1321]→[3.1321:1377](∅→∅)
  − this.disposables.push(this.unrecordedChangesGroup);
  [3.1321]

  [3.1377]
  + this.disposables.push(this.changedGroup);
• replacement in src/repository.ts at line 47
  [2.466]→[2.466:589](∅→∅)
  − this.unrecordedChangesGroup.resourceStates = (await this.repository.getChangedFiles()).map(u => ({ resourceUri: u }));
  [2.466]

  [2.589]
  + this.changedGroup.resourceStates = (await this.repository.getChangedFiles()).map(u => ({ resourceUri: u }));
• replacement in src/pijul.ts at line 204
  [2.2660]→[2.2660:2721](∅→∅)
  − * Get the list of file URIs which have unrecorded changes
  [2.2660]

  [2.2721]
  + * Get the list of file URIs which have unrecorded changes using `pijul diff`