Support multiple input-filters to configure content to index via khoj.yml

- Update existings code, tests to process input-filters as list
  instead of str
- Test `text_to_jsonl' get files methods to work with combination of
  `input-files' and `input-filters'

Resolves #84

tests/test_org_to_jsonl.py

@@ -2,7 +2,7 @@
 import json
 
 # Internal Packages
-from src.processor.org_mode.org_to_jsonl import convert_org_entries_to_jsonl, convert_org_nodes_to_entries, extract_org_entries
+from src.processor.org_mode.org_to_jsonl import convert_org_entries_to_jsonl, convert_org_nodes_to_entries, extract_org_entries, get_org_files
 from src.utils.helpers import is_none_or_empty
 
 
@@ -81,10 +81,38 @@ def test_file_with_no_headings_to_jsonl(tmp_path):
     assert len(jsonl_data) == 1
 
 
+def test_get_org_files(tmp_path):
+    "Ensure Org files specified via input-filter, input-files extracted"
+    # Arrange
+    # Include via input-filter globs
+    group1_file1 = create_file(tmp_path, filename="group1-file1.org")
+    group1_file2 = create_file(tmp_path, filename="group1-file2.org")
+    group2_file1 = create_file(tmp_path, filename="group2-file1.org")
+    group2_file2 = create_file(tmp_path, filename="group2-file2.org")
+    # Include via input-file field
+    orgfile1 = create_file(tmp_path, filename="orgfile1.org")
+    # Not included by any filter
+    create_file(tmp_path, filename="orgfile2.org")
+    create_file(tmp_path, filename="text1.txt")
+
+    expected_files = set(map(str, [group1_file1, group1_file2, group2_file1, group2_file2, orgfile1]))
+
+    # Setup input-files, input-filters
+    input_files = [tmp_path / 'orgfile1.org']
+    input_filter = [tmp_path / 'group1*.org', tmp_path / 'group2*.org']
+
+    # Act
+    extracted_org_files = get_org_files(input_files, input_filter)
+
+    # Assert
+    assert len(extracted_org_files) == 5
+    assert extracted_org_files == expected_files
+
+
 # Helper Functions
-def create_file(tmp_path, entry, filename="test.org"):
-    org_file = tmp_path / f"notes/{filename}"
-    org_file.parent.mkdir()
+def create_file(tmp_path, entry=None, filename="test.org"):
+    org_file = tmp_path / filename
     org_file.touch()
-    org_file.write_text(entry)
-    return org_file
+    if entry:
+        org_file.write_text(entry)
+    return org_file