Pages links point at docs.solidcraft.io: Flatpak repository, help and troubleshooting (#1922)

Thanks @CamWight.

packaging/linux/nfpm.yaml

@@ -20,7 +20,7 @@ section: graphics
 priority: optional
 maintainer: ${SOLIDCRAFT_MAINTAINER}
 vendor: SolidCraft contributors
-homepage: https://bherbruck.github.io/solidcraft/
+homepage: https://docs.solidcraft.io/
 license: MIT OR Apache-2.0
 description: |-
   Open-source parametric 3D CAD in the style of Fusion

packaging/linux/snap/snapcraft.yaml

@@ -25,7 +25,7 @@ description: |
 adopt-info: solidcraft
 license: MIT OR Apache-2.0
 contact: https://github.com/bherbruck/solidcraft/issues
-website: https://bherbruck.github.io/solidcraft/
+website: https://docs.solidcraft.io/
 source-code: https://github.com/bherbruck/solidcraft
 issues: https://github.com/bherbruck/solidcraft/issues
 icon: stage/share/icons/hicolor/512x512/apps/ai.storyteller.solidcraft.png