Update to new shared repository

amphp/website-shared has been merged into amphp/amphp.github.io.

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "docs/shared"]
 	path = docs/.shared
-	url = https://github.com/amphp/website-shared
+	url = https://github.com/amphp/amphp.github.io

docs/.shared

@@ -1 +1 @@
-Subproject commit 4959bcbd1c7c4d6c8960773ed9caa371faee3d49
+Subproject commit 82499e89d11ad81737d661010a9ad7489fcafcb4

docs/_config.yml

@@ -6,7 +6,7 @@ baseurl: "/amp"
 layouts_dir: ".shared/layout"
 
 exclude: ["Gemfile", "Gemfile.lock", "README.md", "vendor"]
-include: [".shared"]
+safe: true
 
 repository: amphp/amp
 gems:
@@ -20,7 +20,7 @@ defaults:
    values:
      layout: "docs"
 
-asset_path: "/amp/.shared/asset"
+asset_path: "/amp/asset"
 
 navigation:
  - event-loop

docs/asset

@@ -0,0 +1 @@
+.shared/asset