Nav Menu Upgrades and Minor UX Improvements (#869)

* Converted navigation menu into a dropdown menu
* Moved collapsed side panel menu icons into top row
* Auto refresh when conversation is deleted to update side panel and route back to main page if deletion is on current conversation
* Highlight the current conversation in the side panel
* Dynamic homepage messages with current day and time of day.
* `colorutils` upgraded to have more expansive tailwind color options and dynamic class name generation.
* Converted create agent button alert into shadcn `ToolTip`
* Colored lines and icons for agents in chat window
* Cleaned up border styling in dark mode
* fixed three dot menu in side panel to be more easier to click
* Add the KhojLogo import in the nav menu and use a default user profile icon when not authenticated
* Get rid of custom --box-shadow CSS variable
* Pass the agent metadat through the chat body data in order to style the send button
* Add login to the unauthenticated login view, redirecto to home if conversation history not loaded
* Set a max height for the input text area
* Simplify tailwind class names

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Co-authored-by: sabaimran <narmiabas@gmail.com>

src/interface/web/app/automations/layout.tsx

@@ -1,6 +1,4 @@
 import type { Metadata } from "next";
-import NavMenu from '../components/navMenu/navMenu';
-import styles from './automationsLayout.module.css';
 import { Toaster } from "@/components/ui/toaster";
 
 import "../globals.css";
@@ -20,8 +18,7 @@ export default function RootLayout({
     children: React.ReactNode;
 }>) {
     return (
-        <div className={`${styles.automationsLayout}`}>
-            <NavMenu selected="Automations" showLogo={true} />
+        <div>
             {children}
             <Toaster />
         </div>