docs: New theme colors, minimized footer, and slight style changes for readability of certain elements (#9250)

* fix anchor

* footer changes

* remove ifm-background-color

* apply pure back and pure white themes

* thematic link colors

* remove search box redesign to commit it separately

* re-add search box redesign

* remove extra blank line

* change heading font size slightly

* basic tab styling

* navbar-box-shadow

---------

Co-authored-by: Mendon Kissling <59585235+mendonk@users.noreply.github.com>

docs/docusaurus.config.js

@@ -400,13 +400,6 @@ const config = {
         },
       },
       footer: {
-        logo: {
-          alt: "Langflow",
-          src: "img/lf-docs-light.svg",
-          srcDark: "img/lf-docs-dark.svg",
-          width: 160,
-          height: 40,
-        },
         links: [
           {
             title: null,