Updated some links

Refs simonw/datasette#1161

Author: simonw

README.md

@@ -32,7 +32,7 @@ Save data from GitHub to a SQLite database.
 
 ## Demo
 
-https://github-to-sqlite.dogsheep.net/ hosts a [Datasette](https://datasette.readthedocs.io/) demo of a database created by [running this tool](https://github.com/dogsheep/github-to-sqlite/blob/main/.github/workflows/deploy-demo.yml#L40-L60) against all of the repositories in the [Dogsheep GitHub organization](https://github.com/dogsheep), plus the [datasette](https://github.com/simonw/datasette) and [sqlite-utils](https://github.com/simonw/sqlite-utils) repositories.
+https://github-to-sqlite.dogsheep.net/ hosts a [Datasette](https://datasette.io/) demo of a database created by [running this tool](https://github.com/dogsheep/github-to-sqlite/blob/main/.github/workflows/deploy-demo.yml#L40-L60) against all of the repositories in the [Dogsheep GitHub organization](https://github.com/dogsheep), plus the [datasette](https://github.com/simonw/datasette) and [sqlite-utils](https://github.com/simonw/sqlite-utils) repositories.
 
 ## How to install
 

tests/pull_requests.json

@@ -154,7 +154,7 @@
             "ssh_url": "git@github.com:simonw/datasette.git",
             "clone_url": "https://github.com/simonw/datasette.git",
             "svn_url": "https://github.com/simonw/datasette",
-            "homepage": "http://datasette.readthedocs.io/",
+            "homepage": "http://datasette.io/",
             "size": 3487,
             "stargazers_count": 3642,
             "watchers_count": 3642,
@@ -279,7 +279,7 @@
             "ssh_url": "git@github.com:simonw/datasette.git",
             "clone_url": "https://github.com/simonw/datasette.git",
             "svn_url": "https://github.com/simonw/datasette",
-            "homepage": "http://datasette.readthedocs.io/",
+            "homepage": "http://datasette.io/",
             "size": 3487,
             "stargazers_count": 3642,
             "watchers_count": 3642,