Expose web, desktop settings page under /settings, not /configure

- Update references to the settings page to use new url across docs
  and code
- Rename desktop and web settings page to settigns.html instead of
  config[ure].html

src/interface/desktop/main.js

@@ -253,7 +253,7 @@ function pushDataToKhoj (regenerate = false) {
         console.error(error);
         state["completed"] = false;
         if (error?.response?.status === 429 && (BrowserWindow.getAllWindows().find(win => win.webContents.getURL().includes('config')))) {
-            state["error"] = `Looks like you're out of space to sync your files. <a href="https://app.khoj.dev/configure">Upgrade your plan</a> to unlock more space.`;
+            state["error"] = `Looks like you're out of space to sync your files. <a href="https://app.khoj.dev/settings">Upgrade your plan</a> to unlock more space.`;
             const win = BrowserWindow.getAllWindows().find(win => win.webContents.getURL().includes('config'));
             if (win) win.webContents.send('needsSubscription', true);
         } else if (error?.code === 'ECONNREFUSED') {

src/interface/desktop/renderer.js

@@ -182,7 +182,7 @@ window.updateStateAPI.onUpdateState((event, state) => {
 window.needsSubscriptionAPI.onNeedsSubscription((event, needsSubscription) => {
     console.log("needs subscription", needsSubscription);
     if (needsSubscription) {
-        window.alert("Looks like you're out of space to sync your files. Upgrade your plan to unlock more space here: https://app.khoj.dev/configure");
+        window.alert("Looks like you're out of space to sync your files. Upgrade your plan to unlock more space here: https://app.khoj.dev/settings");
         needsSubscriptionElement.style.display = 'block';
     }
 });

src/interface/desktop/search.html

@@ -217,7 +217,7 @@
                 .then(enabled_types => {
                     // Show warning if no content types are enabled
                     if (enabled_types.detail) {
-                        document.getElementById("results").innerHTML = "<div id='results-error'>To use Khoj search, setup your content plugins on the Khoj <a class='inline-chat-link' href='/configure'>settings page</a>.</div>";
+                        document.getElementById("results").innerHTML = "<div id='results-error'>To use Khoj search, setup your content plugins on the Khoj <a class='inline-chat-link' href='/settings'>settings page</a>.</div>";
                         document.getElementById("query").setAttribute("disabled", "disabled");
                         document.getElementById("query").setAttribute("placeholder", "Configure Khoj to enable search");
                         return [];

src/interface/desktop/utils.js

@@ -85,7 +85,7 @@ async function populateHeaderPane() {
                     <div id="khoj-nav-menu" class="khoj-nav-dropdown-content">
                         <div class="khoj-nav-username"> ${username} </div>
                         <a id="github-nav" class="khoj-nav" href="https://github.com/khoj-ai/khoj">GitHub</a>
-                        <a id="settings-nav" class="khoj-nav" href="./configure.html">⚙️ Settings</a>
+                        <a id="settings-nav" class="khoj-nav" href="./settings.html">⚙️ Settings</a>
                     </div>
                 </div>
             ` : ''}