fix: update old blog links & add canonical url (#8846)

README.md

@@ -7,7 +7,7 @@
 
 <h4 align="center">
   <a href="https://excalidraw.com">Excalidraw Editor</a> |
-  <a href="https://blog.excalidraw.com">Blog</a> |
+  <a href="https://plus.excalidraw.com/blog">Blog</a> |
   <a href="https://docs.excalidraw.com">Documentation</a> |
   <a href="https://plus.excalidraw.com">Excalidraw+</a>
 </h4>

dev-docs/docusaurus.config.js

@@ -66,7 +66,7 @@ const config = {
             label: "Docs",
           },
           {
-            to: "https://blog.excalidraw.com",
+            to: "https://plus.excalidraw.com/blog",
             label: "Blog",
             position: "left",
           },
@@ -111,7 +111,7 @@ const config = {
             items: [
               {
                 label: "Blog",
-                to: "https://blog.excalidraw.com",
+                to: "https://plus.excalidraw.com/blog",
               },
               {
                 label: "GitHub",

excalidraw-app/components/EncryptedIcon.tsx

@@ -8,7 +8,7 @@ export const EncryptedIcon = () => {
   return (
     <a
       className="encrypted-icon tooltip"
-      href="https://blog.excalidraw.com/end-to-end-encryption/"
+      href="https://plus.excalidraw.com/blog/end-to-end-encryption"
       target="_blank"
       rel="noopener noreferrer"
       aria-label={t("encrypted.link")}

excalidraw-app/index.html

@@ -54,6 +54,8 @@
       content="https://excalidraw.com/og-image-3.png"
     />
 
+    <link rel="canonical" href="https://excalidraw.com" />
+
     <!------------------------------------------------------------------------->
     <!--   to minimize white flash on load when user has dark mode enabled   -->
     <script>

packages/excalidraw/tests/packages/__snapshots__/excalidraw.test.tsx.snap

@@ -24,7 +24,7 @@ exports[`<Excalidraw/> > <MainMenu/> > should render main menu with host menu it
     </button>
     <a
       class="dropdown-menu-item dropdown-menu-item-base"
-      href="blog.excalidaw.com"
+      href="https://plus.excalidraw.com/blog"
       rel="noreferrer"
       target="_blank"
     >