chore: optimize repository and configure build artifacts

Author: tmarhguy

.gitignore

@@ -0,0 +1,93 @@
+# Build artifacts
+*.o
+*.elf
+*.hex
+*.bin
+*.map
+
+# KiCad
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*.kicad_pro-bak
+*.kicad_wks-bak
+*.kicad_dru
+*.kicad_prl
+*.kicad_wks
+*.net
+*.pro
+*.sch
+*.pcb
+*.kicad_mod
+*.pretty/
+*.3dshapes/
+*.cache/
+*.lib-cache
+*-backups/
+fp-info-cache
+*.kicad_sch.lck
+
+# Gerber files (keep in gerbers/ but ignore temp files)
+*.gbr
+*.drl
+*.gko
+*.gbl
+*.gbs
+*.gbo
+*.gtl
+*.gts
+*.gtp
+*.gto
+*.gm1
+*.gpt
+*.gpb
+
+# LTSpice
+*.raw
+*.log
+*.net
+*.plt
+
+# Arduino
+*.hex
+build/
+*.elf
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Documentation builds
+*.aux
+*.log
+*.out
+*.toc
+*.pdf
+*.synctex.gz
+
+# Media (keep structure but ignore large files - uncomment if needed)
+# *.mp4
+# *.mov
+# *.avi
+
+# Test outputs
+test_results/
+# Allow spec CSV files (opcode tables, etc.) - exception before general rule
+!spec/**/*.csv
+*.csv
+
+
+# Large test result files (too big for GitHub)
+test/vectors/exhaustive.json
+results/test_results.json
+
+# Large video files (>100MB)
+media/videos/demos/main-demo-logism-evolution-all-opcodes.mp4
+media/videos/process/kicad-8bit-nor-and spice simulation.mp4
+media/videos/process/sim_ngspice_nor_kicad.mp4