chore(all): fix '.gitignore'

.gitignore

@@ -1,3 +1,4 @@
+### Python template
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -127,3 +128,40 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# PyCharm
+.DS_Store
+.idea
+
+# CMake
+cmake-build-*/
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# user
+output/
+tmpl/
+logs/
+tmpl.*
+*.env
+brief.*