Merge branch 'develop'

replaced postgres:14 with pgvector/pgvector:pg14 in docker-compose.yml

Merge pull request #12 from Avaneesh-Chopdekar/contributing.md

Create CONTRIBUTING.md

Merge pull request #11 from Avaneesh-Chopdekar/code-of-conduct

Create CODE_OF_CONDUCT.md

Merge pull request #10 from Avaneesh-Chopdekar/develop

updated README, docker-compose, Dockerfile according to latest changes

updated requirements.txt file

added django-cors-headers

added unit tests for all forms

added unit tests for models and reset migrations

added posthog pageview capture event

posthog setup

sentry setup