Create "advanced" + "self-hosted" faq categories

And re-arrange questions: move all old "advanced"
questions to "self-hosted", and move some "basic"
questions to "advanced".

frontend/src/app/docs/api-docs/api-docs-data.ts

@@ -8562,20 +8562,6 @@ export const faqData = [
     fragment: "what-is-svb",
     title: "What is sat/vB?",
   },
-  {
-    type: "endpoint",
-    category: "basics",
-    showConditions: bitcoinNetworks,
-    fragment: "what-is-full-mempool",
-    title: "What does it mean for the mempool to be \"full\"?",
-  },
-  {
-    type: "endpoint",
-    category: "basics",
-    showConditions: bitcoinNetworks,
-    fragment: "why-empty-blocks",
-    title: "Why are there empty blocks?",
-  },
   {
     type: "category",
     category: "help",
@@ -8657,33 +8643,54 @@ export const faqData = [
     type: "endpoint",
     category: "advanced",
     showConditions: bitcoinNetworks,
+    fragment: "what-is-full-mempool",
+    title: "What does it mean for the mempool to be \"full\"?",
+  },
+  {
+    type: "endpoint",
+    category: "advanced",
+    showConditions: bitcoinNetworks,
+    fragment: "why-empty-blocks",
+    title: "Why are there empty blocks?",
+  },
+  {
+    type: "category",
+    category: "self-hosting",
+    fragment: "self-hosting",
+    title: "Self-Hosting",
+    showConditions: bitcoinNetworks
+  },
+  {
+    type: "endpoint",
+    category: "self-hosting",
+    showConditions: bitcoinNetworks,
     fragment: "who-runs-this-website",
     title: "Who runs this website?",
   },
   {
     type: "endpoint",
-    category: "advanced",
+    category: "self-hosting",
     showConditions: bitcoinNetworks,
     fragment: "host-my-own-instance-raspberry-pi",
     title: "How can I host my own instance on a Raspberry Pi?",
   },
   {
     type: "endpoint",
-    category: "advanced",
+    category: "self-hosting",
     showConditions: bitcoinNetworks,
     fragment: "host-my-own-instance-linux-server",
     title: "How can I host my own instance on a Linux server?",
   },
   {
     type: "endpoint",
-    category: "advanced",
+    category: "self-hosting",
     showConditions: bitcoinNetworks,
     fragment: "install-mempool-with-docker",
     title: "Can I install Mempool using Docker?",
   },
   {
     type: "endpoint",
-    category: "advanced",
+    category: "self-hosting",
     showConditions: bitcoinNetworks,
     fragment: "address-lookup-issues",
     title: "Why do I get an error for certain address lookups on my Mempool instance?",