chore: add .editorconfig and update .gitignore

Author: Andrew Dmitriev

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.go]
+indent_style = tab
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab

.gitignore

@@ -34,6 +34,7 @@ node_modules/
 # Build directories
 /dist
 /build
+bin/
 /out
 .next/
 .nuxt/
@@ -582,10 +583,45 @@ FodyWeavers.xsd
 # AI
 .junie/
 .windsurfrules
-.lingma
-.windsurf
+.lingma/
+.windsurf/
+GEMINI.md
+QWEN.md
+AGENTS.md
 # Other
 .tern-port
 .dynamodb/
 ###
 tmp/
+tmp.*
+###
+*.avi
+*.3g2
+*.3gp
+*.asf
+*.asx
+*.flv
+*.m4v
+*.mov
+*.mp4
+*.mpg
+*.mpeg
+*.rm
+*.swf
+*.vob
+*.wmv
+###
+*.xspf
+*.aif
+*.cda
+*.mid
+*.midi
+*.mp3
+*.mpa
+*.ogg
+*.wav
+*.wma
+todo
+todo.md
+testfile*
+notes.md