Phase 1 work

.editorconfig

@@ -0,0 +1,21 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.{kt,kts}]
+# ktlint configuration for Compose Multiplatform.
+# - function-naming is disabled because @Composable functions and Kotlin/Native
+#   entry-point factories (e.g. MainViewController) are PascalCase by convention.
+# - filename is disabled because Compose-Multiplatform entry-point files
+#   (jvmMain/main.kt, webMain/main.kt) follow the Kotlin `fun main()` convention.
+ktlint_standard_function-naming = disabled
+ktlint_standard_filename = disabled
+
+[*.md]
+trim_trailing_whitespace = false