Standardize formatting and fix Codacy errors

.pre-commit-config.yaml

@@ -0,0 +1,30 @@
+repos:
+# make bash scripts more readable
+- repo: https://github.com/lovesegfault/beautysh
+  rev: v6.2.1
+  hooks:
+  - id: beautysh
+# blackify python files
+- repo: https://github.com/psf/black
+  rev: 22.1.0
+  hooks:
+  - id: black
+# run pep8 on python files
+-   repo: https://github.com/pre-commit/mirrors-autopep8
+    rev: 'v1.6.0'
+    hooks:
+    -   id: autopep8
+        args: [-i, --max-line-length=120]
+# lint markdown files
+- repo: https://github.com/executablebooks/mdformat
+  rev: 0.7.13
+  hooks:
+  - id: mdformat
+    additional_dependencies:
+    - mdformat-beautysh
+    - mdformat-black
+    - black==22.1.0
+    - mdformat-config
+    - mdformat-gfm
+    - mdformat-toc
+    - mdformat-web