uniform project structure

.pre-commit-config.yaml

 repos:
   - repo: git@codechina.csdn.net:csdn/skill_tree_hook.git
-    rev: 450097b0e3d8b23d98a9ecc61bb104bb9124876b
+    rev: 8cb76ab3b493582d3dab0021fb6fddfa28ec5a66
     hooks:
       - id: pre-commit
         verbose: true
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requirements.txt

-skill-tree-parser~=0.0.4
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+pre_commit~=2.16.0
+skill-tree-parser~=0.0.5
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