Adding pre-commit package to yml, more rules to flake8 lint config and adding pre-commit config file

.flake8

@@ -1,4 +1,12 @@
 [flake8]
-ignore =
-    # something may be undefined, or defined from a star import
-    F405
+# Intial set of rules
+# Feel Free to add any new rule here with description of what it does.
+
+# E203	Whitespace before ':'
+# E266	Too many leading '#' for block comment
+# E501	Line too long (82 > 79 characters)
+# W503	Line break occurred before a binary operator
+# F403	'from module import *' used; unable to detect undefined names
+
+ignore = E203, E266, E501, W503, F403
+max-line-length = 79

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+repos:
+-   repo: https://github.com/ambv/black
+    rev: stable
+    hooks:
+    - id: black
+      language_version: python3.6
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v1.2.3
+    hooks:
+    - id: flake8

image_classification/environment.yml

@@ -42,3 +42,4 @@ dependencies:
   - pillow
   - ipywebrtc
   - pytest
+  - pre-commit>=1.14.4