Add 'backend/' from commit '51bf07d5e16469036a8363e6b9d53616cbed643f'

git-subtree-dir: backend
git-subtree-mainline: 6dc2b48035ed90480e499efdb4513dff7b566616
git-subtree-split: 51bf07d5e1

backend/.gitignore

@@ -0,0 +1,55 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea/*
+!.idea/runConfigurations/
+!.idea/.gitignore
+!.idea/compiler.xml
+!.idea/encodings.xml
+!.idea/jarRepositories.xml
+!.idea/misc.xml
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac ###
+.DS_Store
+
+### Project Specific ###
+tmp/
+uploads/
+
+### Temp and backup files ###
+*.backup
+*.backup*
+*.bak
+*.tmp
+*.py
+temp_*.json
+last_part.json
+fix_*.py