Improve environment setup (.gitignore, pre-commit hooks, deps) (#40)

* Update `setup.py` file and add more patterns to `.gitignores`
* Clean up redundant config files
* Improve pre-commit hooks

Author: lqhuang

.gitignore

@@ -6,8 +6,7 @@
 .*.sw*
 dist/
 *.egg-info
-*.egg
-*.egg/
+*.egg*/
 build/
 .build/
 _build/

.pre-commit-config.yaml

@@ -2,29 +2,26 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.0.1
+    rev: v4.4.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
-    -   id: check-yaml
-    -   id: check-added-large-files
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-toml
+      - id: check-added-large-files
 
-  - repo: https://github.com/ambv/black
-    rev: 21.9b0
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.3.1
     hooks:
-      - id: black
+      - id: pyupgrade
+        args: [--py37-plus]
 
   - repo: https://github.com/pycqa/isort
-    rev: 5.9.3
+    rev: 5.10.1
     hooks:
       - id: isort
-        name: isort (python)
 
-  - repo: local
+  - repo: https://github.com/psf/black
+    rev: 22.10.0
     hooks:
-      - id: flake8
-        name: flake8
-        stages: [commit]
-        language: python
-        entry: flake8
-        types: [python]
+      - id: black