Support command-line interface and update configuration API

* Support command-line interface

- Remove `cert`, `key`, `root` from config file.
- Remove default certification path.

* Change `setGigantoConfig` api to receive full configuration toml string

* Update `gigantoConfig` to respond full configuration

CHANGELOG.md

@@ -49,11 +49,9 @@ Versioning](https://semver.org/spec/v2.0.0.html).
       in version `0.21.0-alpha.2`.
 - Rename `chwaddr` to `chaddr` because the field names within the `Bootp` structure
   of the giganto-client have changed.
-- Changed cluster realted configuration field names.
+- Changed cluster related configuration field names.
   - `peer_address` to `addr_to_peers`
   - `address` in `peers` to `addr` and `host_name` in `peers` to `hostname`
-- Removed `unsafe` block in `write_run_tcpdump` while creating a temporary file.
-- Remove migration code less than `0.15.3`
 - In `BootpRawEvent`, `ConnRawEvent`, `DceRpcRawEvent`, `DhcpRawEvent`,
   `DnsEventEvent`, `DnsRawEvent`, `FileCreateEvent`,
   `FileCreateStreamHashEvent`, `FileCreationTimeChangedEvent`,
@@ -68,6 +66,16 @@ Versioning](https://semver.org/spec/v2.0.0.html).
   integers beyond `i32`.
 - Changed the `from_key_value` macro to additionally receive `str_num_field`
   for `StringNumber` conversion.
+- Changed command line interface.
+  - Removed `cert`, `key`, `root` fields from config file.
+  - Added cli options `-c`, `--cert`, `--key` and `--ca-certs`.
+- Changed `setGigantoConfig` to receive toml-string with full configuration.
+- Updated `gigantoConfig` to respond full configuration.
+
+### Removed
+
+- Removed `unsafe` block in `write_run_tcpdump` while creating a temporary file.
+- Remove migration code less than `0.15.3`
 
 ## [0.20.0] - 2024-05-17