Added technical requirements for the reporters

Technical requirements for the reporters.md

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+# Technical requirements for the reporters
+
+## The repository should have the following folders
+
+- `qase-api-client` - the client for the Qase API v1
+- `qase-api-v2-client` - the client for the Qase API v2
+- `qase-java-commons` - the common classes for the Qase reporters
+- `qase-junit5-reporter` - the reporter for JUnit 5
+- `qase-testng-reporter` - the reporter for TestNG
+- `qase-junit4-reporter` - the reporter for JUnit 4
+- `qase-cucumber-v7-reporter` - the reporter for Cucumber v7
+- ...
+
+## The commons package should contain the following classes
+
+- `QaseApiV1Client` - the client for the Qase API v1
+- `QaseApiV2Client` - the client for the Qase API v2
+- `QaseReporter` - the common reporter for all frameworks. Facade for the specific reporters, like QaseTestopsReporter, QaseFileReporter, etc.
+- `QaseTestopsReporter` - the reporter for TestOps. Uses the QaseApiV1Client or QaseApiV2Client
+- `QaseFileReporter` - the reporter for the file. Writes the results to the file in the specified format
+
+## The reporters should have the same config. The commons package should manage configuration for all reporters
+
+Example of the config:
+
+```json
+{
+ "mode": "testops",
+ "fallback": "report",
+ "environment": "local",
+ "report": {
+  "driver": "local",
+  "connection": {
+   "local": {
+    "path": "./build/qase-report",
+    "format": "json"
+   }
+  }
+ },
+ "testops": {
+  "api": {
+   "token": "token",
+   "host": "qase.io"
+  },
+  "run": {
+   "title": "Java run",
+   "description": "Java run description",
+   "complete": true
+  },
+  "defect": true,
+  "project": "project_code",
+  "batch": {
+   "size": 10
+  },
+  "useV2": false
+ }
+}
+```
+
+You can read about the config in the [Qase config documentation](https://github.com/qase-tms/qase-python/blob/main/qase-pytest/docs/CONFIGURATION.md)
+
+## Main features of the common reporter
+
+### Mode
+
+If the `mode` is `testops`, the reporter should send the results to the TestOps.
+If the `mode` is `report`, the reporter should write the results to the file.
+
+If we can't send the results to the main reporter (for example, QaseTestopsReporter), we should write the results to the fallback reporter(for example, QaseFileReporter).
+
+### Debug mode
+
+If the `debug` is `true`, the reporter should print the debug information to the console and the file. The file should be in the `./build/qase-debug-{datetime}.log` path. The debug information should contain the request and response data on each level of the reporter.
+
+### Batch and parallel upload
+
+The reporter should support the batch and parallel upload. The `batch.size` parameter should define the size of the batch.
+The reporter should send the results in parallel.
+
+### QaseFileReporter format
+
+The reporter should write the results to the file in the specified format. The format should be defined in the `report.connection.local.format` parameter. The reporter should support the following formats:
+
+- json
+- jsonp
+
+You can read about the formats in the [Qase spec](https://github.com/qase-tms/specs/tree/master/report)
+
+## The reporters should have the following features
+
+### Steps
+
+Each reporter should support the steps and nested steps.
+We can use annotations or tags to define the steps, like `@QaseStep`. This annotation should contain the step title.
+
+### QaseId
+
+Each reporter should support the QaseId. The QaseId should be defined in the `@QaseId` annotation or tag. Also, the reporter should support the old format of the QaseId.
+
+### QaseTitle
+
+Each reporter should support the QaseTitle. The QaseTitle should be defined in the `@QaseTitle` annotation or tag.
+
+### QaseFields
+
+Each reporter should support the QaseFields. The QaseFields should be defined in the `@QaseFields` annotation or tag.
+This annotation should contain the key-value pairs.
+
+### QaseIngore
+
+Each reporter should support the QaseIgnore. The QaseIgnore should be defined in the `@QaseIgnore` annotation or tag.
+If the test has the QaseIgnore annotation, the reporter should skip result of the test.
+
+### QaseAttach
+
+Each reporter should support the QaseAttach. The QaseAttach should be defined in the `QaseAttach` method.
+This method should contain the path or paths to the files and create the attachments from strings. The attachments can be attached to the test or the step.
+
+### Parametrize tests
+
+Each reporter should support the parametrize tests.
+The reporter should collect the parameters and the values as key-value pairs.