Development setup via Nix (#1)

* update .gitginore based on gitigore.io
* setup depenedencies for repo via Nix
* Add Makefile
* Add codeowners file

---------

Co-authored-by: Darwin D Wu <[email protected]>

Author: darwin67

.envrc

@@ -0,0 +1 @@
+use nix

.gitignore

@@ -1,7 +1,73 @@
-.DS_Store
+# Created by https://www.toptal.com/developers/gitignore/api/gradle,java,kotlin
+# Edit at https://www.toptal.com/developers/gitignore?templates=gradle,java,kotlin
+
+### Java ###
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+### Kotlin ###
+# Compiled class file
+
+# Log file
+
+# BlueJ files
+
+# Mobile Tools for Java (J2ME)
 
-# Ignore Gradle project-specific cache directory
+# Package Files #
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+
+### Gradle ###
 .gradle
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Avoid ignore Gradle wrappper properties
+!gradle-wrapper.properties
 
-# Ignore Gradle build output directory
-build
+# Cache of project
+.gradletasknamecache
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+### Gradle Patch ###
+# Java heap dump
+*.hprof
+
+# End of https://www.toptal.com/developers/gitignore/api/gradle,java,kotlin
+
+/.direnv
+.DS_Store

CODEOWNERS

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+* @djfarrelly @darwin67 @jpwilliams @tonyhb

Makefile

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+.PHONY: dev
+dev:
+	gradle run inngest-test-server:run

shell.nix

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+let pkgs = import <nixos-23.11> { };
+
+in pkgs.mkShell {
+  nativeBuildInputs = [
+    # Kotlin
+    pkgs.kotlin
+    pkgs.gradle
+
+    # Oldest java version support
+    pkgs.jdk8
+
+    # Tooling
+    pkgs.detekt
+    pkgs.ktfmt
+    pkgs.ktlint
+
+    # LSPs
+    pkgs.kotlin-language-server
+  ];
+}