Some minor fixes

.editorconfig

@@ -0,0 +1,43 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# 4 space indentation (no tabs)
+[*.{js,jsx,ts,tsx,html,css,scss,md}]
+indent_style = space
+indent_size = 4
+
+# Set charset
+[*.{js,jsx,ts,tsx,html,css,scss,md}]
+charset = utf-8
+
+# For Go files
+[*.go]
+indent_style = space
+indent_size = 4
+
+# For Python files
+[*.py]
+indent_style = space
+indent_size = 4
+
+# For JSON files
+[*.json]
+indent_style = space
+indent_size = 2
+
+# For YAML files
+[*.{yaml,yml}]
+indent_style = space
+indent_size = 2
+
+# For TOML files
+[*.toml]
+indent_style = space
+indent_size = 2