chore: Prepare merge of postgrest-docs into postgrest main repo

This avoids some merge conflicts to allow git blame to detect renames properly.

docs/extensions/sphinx-copybutton.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, sphinx
+}:
+
+buildPythonPackage rec {
+  pname = "sphinx-copybutton";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "executablebooks";
+    repo = "sphinx-copybutton";
+    rev = "v${version}";
+    sha256 = "sha256-vrEIvQeP7AMXSme1PBp0ox5k8Q1rz+1cbHIO+o17Jqc=";
+    fetchSubmodules = true;
+  };
+
+  propagatedBuildInputs = [
+    sphinx
+  ];
+
+  doCheck = false; # no tests
+
+  pythonImportsCheck = [ "sphinx_copybutton" ];
+
+  meta = with lib; {
+    description = "A small sphinx extension to add a \"copy\" button to code blocks";
+    homepage = "https://github.com/executablebooks/sphinx-copybutton";
+    license = licenses.mit;
+    maintainers = with maintainers; [ Luflosi ];
+  };
+}

docs/extensions/sphinx-tabs.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, sphinx
+}:
+
+buildPythonPackage rec {
+  pname = "sphinx-tabs";
+  version = "3.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256:1970aahi6sa7c37cpz8nwgdb2xzf21rk6ykdd1m6w9wvxla7j4rk";
+  };
+
+  propagatedBuildInputs = [
+    sphinx
+  ];
+
+  doCheck = false;
+
+  pythonImportsCheck = [ "sphinx_tabs" ];
+
+  meta = with lib; {
+    description = "Create tabbed content in Sphinx documentation when building HTML";
+    homepage = "https://sphinx-tabs.readthedocs.io";
+    license = licenses.mit;
+  };
+}