Created Announcement board

widget_gitgud/Announcement_Board/forms.py

+from django import forms
+from .models import Announcement, Reaction
+
+class AnnouncementForm(forms.ModelForm):
+    class meta:
+        model = Announcement
+        fields = ['title','body','author','pub_datetime']
+
+class ReactionForm(forms.ModelForm):
+    class meta:
+        model = Reaction
+        fields = ['name','tally','announcement']