Add custom Pod template tutorial (#446)

Author: muhsinking

docs.json

@@ -9,7 +9,12 @@
   },
   "background": {},
   "styling": {
-    "codeblocks": "system"
+    "codeblocks": {
+      "theme": {
+        "dark": "github-dark",
+        "light": "github-light"
+      }
+    }
   },
   "icons": {
     "library": "fontawesome"
@@ -133,6 +138,7 @@
                 "pages": [
                   "pods/templates/overview",
                   "pods/templates/manage-templates",
+                  "pods/templates/create-custom-template",
                   "pods/templates/environment-variables",
                   "pods/templates/secrets"
                 ]

instant-clusters/slurm-clusters.mdx

@@ -2,7 +2,6 @@
 title: Slurm Clusters
 sidebarTitle: Slurm Clusters
 description: Deploy Slurm Clusters on Runpod with zero configuration
-tag: "NEW"
 ---
 
 Runpod Slurm Clusters provide a managed high-performance computing and scheduling solution that enables you to rapidly create and manage Slurm Clusters with minimal setup.

pods/overview.mdx

@@ -32,6 +32,8 @@ Each Pod consists of these core components:
 
 Templates eliminate the need to manually set up environments, saving time and reducing configuration errors. For example, instead of installing PyTorch, configuring JupyterLab, and setting up all dependencies yourself, you can select an official Runpod PyTorch template and have everything ready to go instantly.
 
+To learn how to create your own custom templates, see [Build a custom Pod template](/pods/templates/create-custom-template).
+
 ## Storage
 
 Pods offer three types of storage to match different use cases: