Feat: add Jira connector (#11285)

### What problem does this PR solve?

Add Jira connector.

<img width="978" height="925" alt="image"
src="https://github.com/user-attachments/assets/78bb5c77-2710-4569-a76e-9087ca23b227"
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src="https://github.com/user-attachments/assets/193bc5c5-f751-4bd5-883a-2173282c2b96"
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<img width="1035" height="925" alt="image"
src="https://github.com/user-attachments/assets/1a0aec19-30eb-4ada-9283-61d1c915f59d"
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<img width="1905" height="601" alt="image"
src="https://github.com/user-attachments/assets/3dde1062-3f27-4717-8e09-fd5fd5e64171"
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### Type of change

- [x] New Feature (non-breaking change which adds functionality)

common/data_source/config.py

@@ -13,6 +13,7 @@ def get_current_tz_offset() -> int:
     return round(time_diff.total_seconds() / 3600)
 
 
+ONE_MINUTE = 60
 ONE_HOUR = 3600
 ONE_DAY = ONE_HOUR * 24
 
@@ -42,6 +43,7 @@ class DocumentSource(str, Enum):
     OCI_STORAGE = "oci_storage"
     SLACK = "slack"
     CONFLUENCE = "confluence"
+    JIRA = "jira"
     GOOGLE_DRIVE = "google_drive"
     GMAIL = "gmail"
     DISCORD = "discord"
@@ -178,6 +180,21 @@ GOOGLE_DRIVE_CONNECTOR_SIZE_THRESHOLD = int(
     os.environ.get("GOOGLE_DRIVE_CONNECTOR_SIZE_THRESHOLD", 10 * 1024 * 1024)
 )
 
+JIRA_CONNECTOR_LABELS_TO_SKIP = [
+    ignored_tag
+    for ignored_tag in os.environ.get("JIRA_CONNECTOR_LABELS_TO_SKIP", "").split(",")
+    if ignored_tag
+]
+JIRA_CONNECTOR_MAX_TICKET_SIZE = int(
+    os.environ.get("JIRA_CONNECTOR_MAX_TICKET_SIZE", 100 * 1024)
+)
+JIRA_SYNC_TIME_BUFFER_SECONDS = int(
+    os.environ.get("JIRA_SYNC_TIME_BUFFER_SECONDS", ONE_MINUTE)
+)
+JIRA_TIMEZONE_OFFSET = float(
+    os.environ.get("JIRA_TIMEZONE_OFFSET", get_current_tz_offset())
+)
+
 OAUTH_SLACK_CLIENT_ID = os.environ.get("OAUTH_SLACK_CLIENT_ID", "")
 OAUTH_SLACK_CLIENT_SECRET = os.environ.get("OAUTH_SLACK_CLIENT_SECRET", "")
 OAUTH_CONFLUENCE_CLOUD_CLIENT_ID = os.environ.get(