Add project configuration files

Add following syntax and test config files :
  - pyproject.toml
  - .editorconfig
  - .yamllint

.editorconfig

+# Config is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style for every file
+[*]
+# Set default charset
+charset = utf-8
+end_of_line = lf
+# Do not insert final new line at the end of file
+insert_final_newline = false
+# Automatically remove trailing space at end of line
+trim_trailing_whitespace = true
+# Size of indentation (either tabs or space)
+indent_size = 2
+
+# Python specific syntax
+[*.py]
+# Type of indentation (either tabs or space)
+indent_style = space
+# Size of indentation (either tabs or space)
+indent_size = 4
+# Maximum length (in number of chars) for a line
+max_line_length = 80
+
+# Yaml specific syntax
+[*.{yaml,yml}]
+# Type of indentation (either tabs or space)
+indent_style = space
+# Size of indentation (either tabs or space)
+indent_size = 2
+# Maximum length (in number of chars) for a line
+max_line_length = 120

.yamllint

+---
+# Based on ansible-lint config
+extends: default
+
+ignore: |
+  .*
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  colons:
+    max-spaces-after: -1
+    level: error
+  commas:
+    max-spaces-after: -1
+    level: error
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  empty-lines:
+    max: 3
+    level: error
+  hyphens:
+    level: error
+  indentation: disable
+  key-duplicates: enable
+  line-length: disable
+  new-line-at-end-of-file: disable
+  new-lines:
+    type: unix
+  trailing-spaces: disable
+  truthy: disable
+
+# *****************************************************************************
+# VIM MODELINE
+# vim: ft=yaml: fdm=indent:
+# *****************************************************************************