Initial import of Din Beste Hjelper site

CodeIgniter 3 app for dinbestehjelper.no. Excludes vendor/, local backup
folders (new/, archive/, archived/) and DB dumps (*.sql) via .gitignore.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01P16ttGUge8zj91dm6WrmEb

.editorconfig

@@ -0,0 +1,15 @@
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*]
+charset = utf-8
+
+# Tab indentation (no size specified)
+indent_style = tab