feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/samples/gdb/gdbinit

@@ -0,0 +1,23 @@
+set auto-load local-gdbinit on
+set print elements 0
+add-auto-load-safe-path /
+
+python
+# Update GDB's Python paths with the `sys.path` values of the local
+#  Python installation, whether that is brew'ed Python, a virtualenv,
+#  or another system python.
+
+# Convert GDB to interpret in Python
+
+import os, subprocess, sys
+
+# Execute a Python using the user's shell and pull out the sys.path (for site-packages)
+paths = subprocess.check_output('/usr/bin/python3 -c "import os,sys;print(os.linesep.join(sys.path).strip())"',shell=True).decode("utf-8").split()
+
+# Extend GDB's Python's search path
+sys.path.extend(paths)
+
+end
+
+
+source /your/path/to/mat_pretty_printer.py