Update indexer API endpoint URL to index/update from indexer/batch

New URL follows action oriented endpoint naming convention used for
other Khoj API endpoints

Update desktop, obsidian and emacs client to call this new API
endpoint

src/interface/desktop/main.js

@@ -163,7 +163,7 @@ function pushDataToKhoj (regenerate = false) {
         const headers = {
             'x-api-key': 'secret'
         };
-        axios.post(`${hostURL}/api/v1/indexer/batch?regenerate=${regenerate}`, formData, { headers })
+        axios.post(`${hostURL}/api/v1/index/update?regenerate=${regenerate}`, formData, { headers })
             .then(response => {
                 console.log(response.data);
                 const win = BrowserWindow.getAllWindows()[0];

src/interface/emacs/khoj.el

@@ -550,7 +550,7 @@ CONFIG is json obtained from Khoj config API."
           (url-request-extra-headers `(("content-type" . ,(format "multipart/form-data; boundary=%s" boundary))
                                        ("x-api-key" . ,khoj-server-api-key))))
       (with-current-buffer
-          (url-retrieve (format "%s/api/v1/indexer/batch" khoj-server-url)
+          (url-retrieve (format "%s/api/v1/index/update" khoj-server-url)
                         ;; render response from indexing API endpoint on server
                         (lambda (status)
                           (if (not status)

src/interface/obsidian/src/utils.ts

@@ -68,7 +68,7 @@ export async function updateContentIndex(vault: Vault, setting: KhojSetting, las
     }
 
     // Call Khoj backend to update index with all markdown, pdf files
-    const response = await fetch(`${setting.khojUrl}/api/v1/indexer/batch?regenerate=${regenerate}`, {
+    const response = await fetch(`${setting.khojUrl}/api/v1/index/update?regenerate=${regenerate}`, {
         method: 'POST',
         headers: {
             'x-api-key': 'secret',