docs: changed links on the homepage (#2981)

* docs: changed homepage

* added missing import

* added related links

* added a link to the user guide on homepage

www/docs/sidebars.js

@@ -26,13 +26,25 @@ module.exports = {
           label: "Introduction",
         },
         {
-          type: "doc",
-          id: "quickstart/quick-start",
-          label: "Quickstart Guide",
-        },
-        {
-          type:"doc",
-          id: "quickstart/quick-start-docker",
+          type: "category",
+          label: "Install Medusa Server",
+          collapsed: false,
+          items: [
+            {
+              type: "doc",
+              id: "quickstart/quick-start",
+              label: "Quickstart Guide",
+            },
+            {
+              type: "doc",
+              id: "usage/create-medusa-app",
+              label: 'Use create-medusa-app'
+            },
+            {
+              type:"doc",
+              id: "quickstart/quick-start-docker",
+            },
+          ]
         },
         {
           type: "doc",
@@ -74,10 +86,6 @@ module.exports = {
           type: "doc",
           id: "admin/quickstart",
         },
-        {
-          type: "doc",
-          id: "usage/create-medusa-app",
-        },
         {
           type: "category",
           label: "Deployment",

www/docs/static/img/user-guide-dark.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M10 5.03501C8.62634 3.80281 6.84533 3.12246 5 3.12501C4.12333 3.12501 3.28167 3.27501 2.5 3.55167V15.4267C3.30302 15.1434 4.14847 14.9991 5 15C6.92083 15 8.67333 15.7225 10 16.91M10 5.03501C11.3736 3.80274 13.1547 3.12238 15 3.12501C15.8767 3.12501 16.7183 3.27501 17.5 3.55167V15.4267C16.697 15.1434 15.8515 14.9991 15 15C13.1547 14.9975 11.3737 15.6778 10 16.91M10 5.03501V16.91" stroke="#7E7D86" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

www/docs/static/img/user-guide.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M10 5.03501C8.62634 3.80281 6.84533 3.12246 5 3.12501C4.12333 3.12501 3.28167 3.27501 2.5 3.55167V15.4267C3.30302 15.1434 4.14847 14.9991 5 15C6.92083 15 8.67333 15.7225 10 16.91M10 5.03501C11.3736 3.80274 13.1547 3.12238 15 3.12501C15.8767 3.12501 16.7183 3.27501 17.5 3.55167V15.4267C16.697 15.1434 15.8515 14.9991 15 15C13.1547 14.9975 11.3737 15.6778 10 16.91M10 5.03501V16.91" stroke="#9CA3AF" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>