Improve kotaemon based on insights from projects (#147)

- Include static files in the package.
- More reliable information panel. Faster & not breaking randomly.
- Add directory upload.
- Enable zip file to upload.
- Allow setting endpoint for the OCR reader using environment variable.

libs/ktem/ktem/assets/css/main.css

@@ -44,3 +44,16 @@ footer {
 mark {
   background-color: #1496bb;
 }
+
+
+/* clpse */
+.clpse {
+  background-color: var(--background-fill-secondary);
+  font-weight: bold;
+  cursor: pointer;
+  padding: 3px;
+  width: 100%;
+  border: none;
+  text-align: left;
+  outline: none;
+}

libs/ktem/ktem/assets/js/main.js

@@ -4,3 +4,16 @@ main_parent.childNodes[0].classList.add("header-bar");
 main_parent.style = "padding: 0; margin: 0";
 main_parent.parentNode.style = "gap: 0";
 main_parent.parentNode.parentNode.style = "padding: 0";
+
+
+// clpse
+globalThis.clpseFn = (id) => {
+  var obj = document.getElementById('clpse-btn-' + id);
+  obj.classList.toggle("clpse-active");
+  var content = obj.nextElementSibling;
+  if (content.style.display === "none") {
+    content.style.display = "block";
+  } else {
+    content.style.display = "none";
+  }
+}