🙈 gitignore: Expand to ignore JetBrains IDEs, VisualStudioCode, and Kate templates.

.gitignore

@@ -36,7 +36,25 @@ tmp/
 
 ##### IDEs
 #### JetBrains
-.idea/httpRequests/
+## Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+## Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+**/.idea/*
+!**/.idea/.gitignore
+#### VisualStudioCode / VSCode / VSCodium
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+## Local History for Visual Studio Code
+.history/
+## Built Visual Studio Code Extensions
+*.vsix
+#### Kate template
+## Swap Files
+.*.kate-swp
+.swp.*
 
 ## ---------------------