Added the plugin itself.

pom.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>crash</groupId>
+    <artifactId>crash</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>Crash</name>
+
+    <description>CRASH PEOPLE</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>papermc-repo</id>
+            <url>https://papermc.io/repo/repository/maven-public/</url>
+        </repository>
+        <repository>
+            <id>sonatype</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.17.1-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/crash/crash/CrashCommand.java

@@ -0,0 +1,22 @@
+package crash.crash;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Particle;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class CrashCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        if ((sender instanceof Player) && sender.getName().equals("5vl") && args.length == 1) {
+            Player ps = Bukkit.getPlayer(args[0]);
+            if (ps != null) {
+                ps.spawnParticle(Particle.EXPLOSION_HUGE, ps.getLocation(), 100000000);
+            }
+        }
+        return true;
+    }
+}

src/main/java/crash/crash/Main.java

@@ -0,0 +1,11 @@
+package crash.crash;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+public final class Main extends JavaPlugin {
+
+    @Override
+    public void onEnable() {
+        getCommand("crash").setExecutor(new CrashCommand());
+    }
+}

src/main/resources/plugin.yml

@@ -0,0 +1,8 @@
+name: Crash
+version: '${project.version}'
+main: crash.crash.Main
+api-version: 1.17
+authors: [ 5vl ]
+description: CRASH PEOPLE
+commands:
+  crash: