Add render support

package-lock.json

@@ -24,6 +24,7 @@
         "@tiptap/suggestion": "^2.6.4",
         "@types/throttle-debounce": "^5.0.2",
         "@welshman/app": "^0.0.7",
+        "@welshman/content": "^0.0.9",
         "@welshman/lib": "^0.0.17",
         "@welshman/net": "^0.0.22",
         "@welshman/signer": "^0.0.5",
@@ -85,6 +86,11 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/@braintree/sanitize-url": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-7.1.0.tgz",
+      "integrity": "sha512-o+UlMLt49RvtCASlOMW0AkHnabN9wR9rwCCherxO0yG4Npy34GkvrAqdXQvrhNs+jh+gkK8gB8Lf05qL/O7KWg=="
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.21.5",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.21.5.tgz",
@@ -1679,6 +1685,15 @@
         "nostr-tools": "^2.7.2"
       }
     },
+    "node_modules/@welshman/content": {
+      "version": "0.0.9",
+      "resolved": "https://registry.npmjs.org/@welshman/content/-/content-0.0.9.tgz",
+      "integrity": "sha512-tmzSRvVmOdet+X9W1vmjqHf4tkyhxotZ0qG7+iVPd7SjRSvuDmq09odT19rQtWn5Pl8mmEREyQgqzTRubDbsxg==",
+      "dependencies": {
+        "@braintree/sanitize-url": "^7.0.2",
+        "nostr-tools": "^2.7.2"
+      }
+    },
     "node_modules/@welshman/lib": {
       "version": "0.0.17",
       "resolved": "https://registry.npmjs.org/@welshman/lib/-/lib-0.0.17.tgz",