Added Posts create function

app/controllers/posts_controller.rb

@@ -10,6 +10,21 @@ class PostsController < ApplicationController
   	@post = Post.new
   end
 
+  def create
+  	@post = Post.new(post_params)
+
+  	if @post.save
+  		redirect_to posts_path, notice: "You have successfully created a new post."
+  	else
+  		render 'new'
+  	end
+  end
+
   def edit
   end
+
+  private
+  	def post_params
+  		params.require(:post).permit!
+  	end
 end