feat(documentation) : Added a read me guide to create an assignment

docs/create_assignment.md

+# Create Assignment Guide
+
+These instructions walk you through creating an assignment for both individual and group submissions, 
+and explain how to apply automatic grading to it.
+
+## Setting Up an Assignment : Initial Step
+- Ensure you're logged in as Teacher and turn on the editing mode
+- Select `Add an activity or resource` and choose `Assignment`
+- Provide general information about the course
+
+## Configuring Autograde for assignments
+- Go to `Submission types` and select  *Autograde* to enable automated grading
+- Attach the provided autograde compatible image to use for grading in `Grader image`
+- Add the url to the image registry where the grading image is stored in `Image registry`
+- Add the password to use when accessing the registry in `Image Registry Password`
+- Attach the Environment variable to be passed to the grading container in `Environment variables`
+
+## Configuring Submission Types: Individual and Group
+
+- Go to `Submission settings` and ensure that option `Require students to click the submit button`
+  is enabled
+
+### Setting Up Individual Submissions
+- Go to `Group submission settings` and ensure that `Students submit in groups` is disabled
+
+### Setting Up Group Submissions
+- Go to `Group submission settings`
+- Ensure that `Students submit in groups` is enabled
+- Ensure that `Require group to make submission` is enabled
+- To create a group for submissions, go to `Course > Participants > Groups`
+- Add the members of the group by selecting participants and create the group
+
+
+
+