chore(git): update git control files

.gitattributes

@@ -20,7 +20,7 @@
 *.PDF      diff=astextplain
 *.rtf      diff=astextplain
 *.RTF      diff=astextplain
-*.md       text
+*.md       text diff=markdown
 *.tex      text diff=tex
 *.adoc     text
 *.textile  text
@@ -30,6 +30,7 @@
 *.tsv      text
 *.txt      text
 *.sql      text
+*.ps1      text eol=crlf
 
 # Graphics
 *.png      binary
@@ -48,11 +49,28 @@
 
 # Scripts
 *.bash     text eol=lf
+*.fish     text eol=lf
 *.sh       text eol=lf
 # These are explicitly windows files and should use crlf
 *.bat      text eol=crlf
 *.cmd      text eol=crlf
-*.ps1      text eol=crlf
+
+# web frontend stack -- force LF so SRI hashes are always correct
+*.html     text eol=lf
+*.htm      text eol=lf
+*.css      text eol=lf
+*.min.css  text eol=lf
+*.js       text eol=lf
+*.min.js   text eol=lf
+*.php      text eol=lf
+
+# Visual Studio projects (Rider also)
+*.cs     diff=csharp
+*.sln    merge=union
+*.csproj merge=union
+*.vbproj merge=union
+*.fsproj merge=union
+*.dbproj merge=union
 
 # Serialisation
 *.json     text
@@ -65,12 +83,18 @@
 *.7z       binary
 *.gz       binary
 *.tar      binary
+*.tgz      binary
 *.zip      binary
 
+# Text files where line endings should be preserved
+*.patch    -text
+
 #
 # Exclude files from exporting
 #
 
 .gitattributes  export-ignore
 .gitignore      export-ignore
+.gitkeep        export-ignore
+.idea           export-ignore
 .vscode         export-ignore

.gitignore

@@ -1,10 +1,27 @@
-# ignore all vscode config files
-.vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
-!.vscode/numbered-bookmarks.json
+#
+# JetBrains exclusions
+#
 
-# ignore all generated logfiles
-*.log
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/shelf
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# modules
+.idea_modules/
+
+# Editor-based Rest Client
+.idea/httpRequests