Add linters

.flake8

@@ -0,0 +1,6 @@
+[flake8]
+inline-quotes = "
+multiline-quotes = """
+indent-size = 4
+max-line-length = 160
+ignore = Q003 E128 E704 E731

.gitlint

@@ -0,0 +1,9 @@
+[general]
+ignore=body-is-missing,T3
+ignore-stdin=true
+
+[title-match-regex]
+regex=[A-Z]
+
+[author-valid-email]
+regex=[^@]+@pinecrypt.com

.pre-commit-config.yaml

@@ -0,0 +1,16 @@
+repos:
+-   repo: https://github.com/PyCQA/flake8
+    rev: 3.9.2
+    hooks:
+    -   id: flake8
+        additional_dependencies: [flake8-typing-imports==1.10.0,flake8-quotes==3.2.0]
+
+-   repo: https://github.com/jorisroovers/gitlint
+    rev: v0.15.1
+    hooks:
+    -   id: gitlint
+
+-   repo: https://github.com/Lucas-C/pre-commit-hooks-nodejs
+    rev: v1.1.1
+    hooks:
+    -   id: dockerfile_lint