Problem/Bug Plugin.Yml is not found.

I want to start making plugins but i have problem. my plugin not loading.

My log is:

Code:

[21:39:12] [Server thread/INFO]: Starting minecraft server version 1.7.9
[21:39:12] [Server thread/INFO]: Loading properties
[21:39:12] [Server thread/INFO]: Default game type: SURVIVAL
[21:39:12] [Server thread/INFO]: Generating keypair
[21:39:12] [Server thread/INFO]: Starting Minecraft server on *:25565
[21:39:12] [Server thread/INFO]: This server is running CraftBukkit version git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks (MC: 1.7.9) (Implementing API version 1.7.9-R0.2)
[21:39:12] [Server thread/ERROR]: Could not load 'plugins\Pluugin.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
    at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:150) ~[server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:355) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at org.bukkit.craftbukkit.v1_7_R3.CraftServer.<init>(CraftServer.java:317) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at net.minecraft.server.v1_7_R3.PlayerList.<init>(PlayerList.java:68) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at net.minecraft.server.v1_7_R3.DedicatedPlayerList.<init>(SourceFile:14) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:126) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:436) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
    at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [server.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.io.FileNotFoundException: Jar does not contain plugin.yml
    ... 9 more
[21:39:12] [Server thread/INFO]: Preparing level "world"
[21:39:12] [Server thread/INFO]: Preparing start region for level 0 (Seed: 6614185079648616535)
[21:39:13] [Server thread/INFO]: Preparing start region for level 1 (Seed: 6614185079648616535)
[21:39:13] [Thread-7/WARN]: Exception in thread "Thread-7" 
[21:39:13] [Thread-7/WARN]: org.bukkit.craftbukkit.libs.com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 7
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:180)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:755)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.Gson.fromJson(Gson.java:694)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.v1_7_R3.updater.BukkitDLUpdaterService.fetchArtifact(BukkitDLUpdaterService.java:53)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.v1_7_R3.updater.BukkitDLUpdaterService.getArtifact(BukkitDLUpdaterService.java:30)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.v1_7_R3.updater.AutoUpdater$1.run(AutoUpdater.java:77)
[21:39:13] [Thread-7/WARN]: Caused by: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 7
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.expect(JsonReader.java:339)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.stream.JsonReader.beginObject(JsonReader.java:322)
[21:39:13] [Thread-7/WARN]:     at org.bukkit.craftbukkit.libs.com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:168)
[21:39:13] [Thread-7/WARN]:     ... 5 more
[21:39:13] [Server thread/INFO]: Preparing start region for level 2 (Seed: 6614185079648616535)
[21:39:14] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[21:39:14] [Server thread/INFO]: Done (1.101s)! For help, type "help" or "?"

Pic of my Code is:


The plugin.yml is:

help me please.

 

Isn't the plugin.yml supposed to be on the first level of the project folder?