improv: move away from monorepo due to change in direction (#36)

From now on, each Lambda Powertools for a given runtime should have its own repo

* chore: move all files to root
* docs: fix alignment

Author: heitorlessa

python/.flake8 renamed to .flake8

@@ -1,25 +1,18 @@
-name: Powertools Python
+name: Build
 
 on:
   pull_request:
     branches:
       - develop
       - master
-    paths:
-      - "python/**"
   push:
     branches:
       - develop
       - master
-    paths:
-      - "python/**"
 
 jobs:
   build:
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ./python/
     strategy:
       max-parallel: 4
       matrix: