remove target=blank etc

package-lock.json

@@ -19,6 +19,7 @@
         "@zachleat/heading-anchors": "https://github.com/lee0c/heading-anchors/tarball/main",
         "lodash-es": "^4.17.23",
         "luxon": "^3.7.2",
+        "markdown-it-link-attributes": "https://github.com/lee0c/markdown-it-link-attributes/tarball/main",
         "pagefind": "^1.5.2"
       }
     },
@@ -1939,6 +1940,13 @@
         "markdown-it": "bin/markdown-it.mjs"
       }
     },
+    "node_modules/markdown-it-link-attributes": {
+      "version": "4.0.1",
+      "resolved": "https://github.com/lee0c/markdown-it-link-attributes/tarball/main",
+      "integrity": "sha512-lbnI/d5TRqlHfP4GJ/Pw8tpcIbqORCwKEB4sqOp4IrzVNHsOsHIL2GBOJsjp1H5Y2phHil4lcbxMdvrx3LUriA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/markdown-it/node_modules/entities": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",