diff --git a/extensions/lang-english/.editorconfig b/extensions/lang-english/.editorconfig
new file mode 100644
index 000000000..72e9364d7
--- /dev/null
+++ b/extensions/lang-english/.editorconfig
@@ -0,0 +1,17 @@
+# http://editorconfig.org/
+
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{json,php}]
+indent_size = 4
+
+[*.md]
+trim_trailing_whitespace = false
diff --git a/extensions/lang-english/.gitattributes b/extensions/lang-english/.gitattributes
new file mode 100644
index 000000000..542973100
--- /dev/null
+++ b/extensions/lang-english/.gitattributes
@@ -0,0 +1,21 @@
+# Automatically normalize line endings for all text-based files
+# http://git-scm.com/docs/gitattributes#_end_of_line_conversion
+* text=auto
+
+# For the following file types, normalize line endings to LF on
+# check in and prevent conversion to CRLF when they are checked out
+# (this is required in order to prevent newline related issues like,
+# for example, after the build script is run)
+.*     text eol=lf
+*.js   text eol=lf
+*.json text eol=lf
+*.md   text eol=lf
+*.php  text eol=lf
+*.yml  text eol=lf
+
+# Exclude the following files when exporting an archive
+# https://git-scm.com/book/en/v2/Customizing-Git-Git-Attributes#Exporting-Your-Repository
+.editorconfig  export-ignore
+.gitattributes export-ignore
+.gitignore     export-ignore
+README.md      export-ignore
diff --git a/extensions/lang-english/.gitignore b/extensions/lang-english/.gitignore
new file mode 100644
index 000000000..7f2c67c26
--- /dev/null
+++ b/extensions/lang-english/.gitignore
@@ -0,0 +1,40 @@
+# Windows
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msm
+*.msp
+*.lnk
+
+# Mac OS
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+._*
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Linux
+*~
+.directory
+.Trash-*
+
+# Backup and log files
+*.bak
+*.log
+
+# Git
+.git