doc: correct script path and fix some link (#1711)

Author: thofma

docs/src/.vitepress/config.mts

@@ -29,7 +29,7 @@ export default defineConfig({
   head: [
     ['link', { rel: 'icon', href: 'REPLACE_ME_DOCUMENTER_VITEPRESS_FAVICON' }],
     ['script', {src: '/versions.js'}],
-    ['script', {src: '/warner.js'}],
+    ['script', {src: `${baseTemp.base}warner.js`}],
     ['script', {src: `${baseTemp.base}siteinfo.js`}]
   ],
 

docs/src/index.md

@@ -21,7 +21,7 @@ features:
   - title: What is Hecke?
     details: Hecke is a software package for computational algebraic number theory. It is written in julia and makes use of the computer algebra packages Nemo and AbstractAlgebra.
   - title: OSCAR
-    details: Hecke is part of the [OSCAR](https://www.oscar-system.org/) system, which covers, in addition to number theory, also commutative algebra, algebraic geometry, group theory and polyhedral geometry.
+    details: Hecke is part of the <a href="https://www.oscar-system.org/" target="_blank">OSCAR</a> system, which covers, in addition to number theory, also commutative algebra, algebraic geometry, group theory and polyhedral geometry.
 ---
 ```