fix(rpm): example config in /etc/logcorrelator + socket permissions 0666

- Install logcorrelator.yml.example to /etc/logcorrelator/ instead of /usr/share/logcorrelator/
- Change default socket permissions from 0660 to 0666 (world read/write)
- Bump version to 1.1.2
- Remove CHANGELOG.md

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

internal/config/config_test.go

@@ -433,7 +433,7 @@ func TestGetSocketPermissions(t *testing.T) {
 			config: UnixSocketConfig{
 				SocketPermissions: "",
 			},
-			expected: 0660,
+			expected: 0666,
 		},
 		{
 			name: "explicit 0660",
@@ -461,7 +461,7 @@ func TestGetSocketPermissions(t *testing.T) {
 			config: UnixSocketConfig{
 				SocketPermissions: "invalid",
 			},
-			expected: 0660,
+			expected: 0666,
 		},
 	}