chore: bump all packages to 0.0.2 — drop alpha prerelease tag

Switches from 0.0.1-alpha.2 to 0.0.2. Clean semver, no prerelease
suffixes. We're still alpha (0.0.x range).

packages/mosaic/src/constants.ts

@@ -1,7 +1,7 @@
 import { homedir } from 'node:os';
 import { join } from 'node:path';
 
-export const VERSION = '0.1.0';
+export const VERSION = '0.0.2';
 
 export const DEFAULT_MOSAIC_HOME = join(homedir(), '.config', 'mosaic');