fix: revert "2.0.0 (#165)"

[seaona]

This reverts commit 0da933b.

---

Note

Reverts 2.0.0 by downgrading versions to 1.1.6 in packages and manifest, updating changelogs and snap shasum.

• Version rollback:
  • Set version to 1.1.6 in package.json, packages/site/package.json, packages/snap/package.json, and packages/snap/snap.manifest.json.
• Changelogs:
  • Remove 2.0.0 sections; update [Unreleased] compare links to start from v1.1.6 in packages/site/CHANGELOG.md and packages/snap/CHANGELOG.md.
• Snap manifest:
  • Update source.shasum to k171gIy5HSi41D2djzZNHyAUydUByBagxYjnq/xhwB0= in packages/snap/snap.manifest.json.

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