Plugin not loading :(

Hello, so its my first time creating a plugin with a simple command and i think I'm having problems in the yml because its not loading , any help would be appreciated, thank you. Fixing my yml and showing what the problems were would be appreciated also.
INFO
my package name is me.lrdemolition.youtube
my main class is Sample


THE LOG:

Code:

16.04 13:34:16 [Server] Startup Done (0.977s)! For help, type "help" or "?"
16.04 13:34:16 [Server] INFO Server permissions file permissions.yml is empty, ignoring it
16.04 13:34:16 [Server] INFO Preparing start region for level 2 (Seed: 1733096907000420159)
16.04 13:34:16 [Multicraft] Skipped 98 lines due to rate limit (30/s)
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:105) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:122) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:159) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:143) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:558) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:226) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:360) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.yaml.snakeyaml.scanner.ScannerImpl.fetchValue(ScannerImpl.java:871) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO ^
16.04 13:34:15 [Server] INFO version: 1.4.1
16.04 13:34:15 [Server] INFO Caused by: org.yaml.snakeyaml.scanner.ScannerException: null; mapping values are not allowed here;  in 'reader', line 2, column 9:
16.04 13:34:15 [Server] INFO at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:440) [spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at net.minecraft.server.v1_7_R2.DedicatedServer.init(DedicatedServer.java:135) [spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.bukkit.craftbukkit.v1_7_R2.CraftServer.loadPlugins(CraftServer.java:355) [spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:160) ~[spigot.jar:git-Spigot-1371]
16.04 13:34:15 [Server] INFO org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
16.04 13:34:15 [Server] ERROR Could not load 'plugins/Sample.jar' in folder 'plugins'
16.04 13:34:15 [Server] INFO Starting Minecraft server on 72.46.153.130:25665
16.04 13:34:15 [Server] INFO Generating keypair
16.04 13:34:15 [Server] INFO Server Ping Player Sample Count: 12
16.04 13:34:15 [Server] INFO Using 4 threads for Netty based IO
16.04 13:34:15 [Server] INFO This server is running CraftBukkit version git-Spigot-1371 (MC: 1.7.5) (Implementing API version 1.7.5-R0.1-SNAPSHOT)
16.04 13:34:14 [Server] INFO Default game type: SURVIVAL
16.04 13:34:14 [Server] INFO Loading properties
16.04 13:34:14 [Server] INFO Starting minecraft server version 1.7.5
16.04 13:34:10 [Server] INFO Loading libraries, please wait...
16.04 13:34:10 [Server] INFO Please see http://www.spigotmc.org/wiki/changing-permgen-size/ for more details and more in-depth instructions.
16.04 13:34:10 [Server] INFO Warning, your max perm gen size is not set or less than 128mb. It is recommended you restart Java with the following argument: -XX:MaxPermSize=128M
16.04 13:34:10 [Multicraft] Loaded config for "Spigot"
16.04 13:34:10 [Multicraft] Starting server!
16.04 13:34:10 [Multicraft] Loading server properties
16.04 13:34:10 [Multicraft] Server stopped
16.04 13:34:10 [Multicraft] Server shut down
16.04 13:34:09 [Server] INFO Saving chunks for level 'plugintesting'/Overworld
16.04 13:34:09 [Server] INFO Saving worlds
16.04 13:34:09 [Server] INFO Saving players
16.04 13:34:09 [Server] INFO Stopping server
16.04 13:34:09 [Server] INFO Saving chunks for level 'plugintesting_the_end'/The End
16.04 13:34:09 [Server] INFO Saving chunks for level 'plugintesting_nether'/Nether
16.04 13:34:09 [Server] INFO Saving chunks for level 'plugintesting'/Overworld
16.04 13:34:09 [Server] INFO Saving worlds
16.04 13:34:09 [Server] INFO Saving players
16.04 13:34:09 [Server] INFO Stopping server
16.04 13:34:09 [Server] INFO CONSOLE: Stopping the server..
16.04 13:34:09 [Server] INFO CONSOLE: Save complete.
16.04 13:34:09 [Server] INFO CONSOLE: Forcing save..
16.04 13:34:09 [Multicraft] Stopping server!

THE YML:

Code:

name: Inferno
version: 1.4.1
description: This plugin is so i can test
author: lrdemolition
main: me.lrdemolition.youtube.Sample
database: false
commands:
  democraft:
    description: is awesome.
    usage: Syntax error! Simply type /democraft to awsumize yourself.

 

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