Quark-engine

**Bug fixed**
+ Fix the missing file in the PyPi package. (295)

**Dependency update**
+ Update lxml from 4.6.3 to 4.6.5. (294)

**Bugs fixed**
- Fix missing comma in Debian/control. Thanks to Hagb for this patch. (278)
- Fix import errors with Graphviz 0.18. Thanks to nplesak for this patch. (288)

**Dependency update**
- Specify the highest compatible versions of the dependency packages. (290)

**New Feat**
- behaviors_comparison_radar_chart can save as images now. Thanks to matteodalgrande for contributing the feature. (273)

**Bugs fixed**
- Remove tqdm on loading rule files. (270)
- Add try-catch block to prevent potential crash problems. (276)
- Fix JSON report format that caused Jadx and APKLab to fail to load. (277, 281)

**Dependency update**
- Required Python version changed from 3.7 to 3.8. (267)

**New Feat**
1. Quark-Engine can detect APIs in the extended classes now. (247)
2. Rules can write into an array to reduce the number of files and IO. (248)
3. Graph data can be dump in JSON format. (250)
4. Improve the detail report and JSON report when rules reached 60%. (254)
5. Add FAQ page and Organization page into the document. (241, 253, 255)

**Bugs fixed**
1. Add hints when using freshquark and specifying rules. (244)
2. Reduce file IO on loading rules. (248)
3. Spaces between arguments in rules are no longer needed. (249)

**Dependency update**
1. Update pillow from 8.3.1 to 8.3.2. (246)

**New Feat**
1. Quark-Engine can detect APIs in the extended classes now. (247)
2. Rules can write into an array to reduce the number of files and IO. (248)
3. Graph data can be dump in JSON format. (250)
4. Improve the detail report and JSON report when rules reached 60%. (254)
5. Add FAQ page and Organization page into the document. (241, 253, 255)

**Bugs fixed**
1. Add hints when using freshquark and specifying rules. (244)
2. Reduce file IO on loading rules. (248)
3. Spaces between arguments in rules are no longer needed. (249)

**Dependency update**
1. Update pillow from 8.3.1 to 8.3.2. (246)

1. Change travis CI to Github Actions
2. Supports parallel analysis
3. Optimize the performance
4. Fix graph recursion issue
5. Fully support Rizin analysis
6. Disable logging in Quark API usage
7. Fix threshold filtering in the detailed report