Add IDEs to gitignore and default config file name (#74)

Signed-off-by: Steve Coffman <steve@khanacademy.org>

.gitignore

@@ -1 +1,53 @@
 generate/testdata/tmp
+
+## Go standard gitignore
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+## VSCode standard gitignore
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+## JetBrains standard gitignore
+# 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
+
+# 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

generate/main.go

@@ -49,7 +49,7 @@ func Main() {
 	case 2:
 		err = readConfigGenerateAndWrite(os.Args[1])
 	case 1:
-		err = readConfigGenerateAndWrite("")
+		err = readConfigGenerateAndWrite("genqlient.yaml")
 	default:
 		argv0 := os.Args[0]
 		if strings.Contains(argv0, string(filepath.Separator)+"go-build") {