Set filename as top heading of org entries for better search context

Previously filename was only being appended to markdown entries.

Test filename getting prepended to compiled entry as heading

src/khoj/processor/org_mode/org_to_jsonl.py

@@ -1,6 +1,7 @@
 # Standard Packages
 import glob
 import logging
+from pathlib import Path
 from typing import Iterable, List
 
 # Internal Packages
@@ -112,7 +113,11 @@ class OrgToJsonl(TextToJsonl):
                 # Ignore title notes i.e notes with just headings and empty body
                 continue
 
-            compiled = f"{parsed_entry.heading}."
+            # Prepend filename as top heading to entry
+            filename = Path(entry_to_file_map[parsed_entry]).stem
+            heading = f"* {filename}\n** {parsed_entry.heading}." if parsed_entry.heading else f"* {filename}."
+
+            compiled = heading
             if state.verbose > 2:
                 logger.debug(f"Title: {parsed_entry.heading}")
 
@@ -142,7 +147,7 @@ class OrgToJsonl(TextToJsonl):
                     Entry(
                         compiled=compiled,
                         raw=f"{parsed_entry}",
-                        heading=f"{parsed_entry.heading}",
+                        heading=f"{heading}",
                         file=f"{entry_to_file_map[parsed_entry]}",
                     )
                 )