Some common .gitignore configurations

Wordpress gitignore

# WordPress #
######################

# ignore everything in the root except the "wp-content" directory.
/*
!wp-content/

# ignore specific themes
wp-content/themes/twenty*/

# Node #
######################

# ignore dependencies folder
node_modules/

# ignore dependencies folder (if it's in your themes folder)
wp-content/themes/*/node_modules

# track this file .gitignore (i.e. do NOT ignore it)
!.gitignore

# track this file gulpfile.js (i.e. do NOT ignore it)
!gulpfile.js

# ignore Editor files
*.sublime-project
*.sublime-workspace


# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so

# Packages #
############
# it's better to unpack these files and commit the raw source
# git has its own built in compression methods
*.7z
*.dmg
*.gz
*.iso
*.jar
*.rar
*.tar
*.zip

# Logs and databases #
######################
*.log
*.sql
*.sqlite

# OS generated files #
######################
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db