feat: add first batch of Open edX Filters

* Add PreEnrollmentFilter
* Add PreRegisterFilter
* Add PreLoginFilter

requirements/edx/base.in

@@ -120,6 +120,7 @@ nodeenv                             # Utility for managing Node.js environments;
 oauthlib                            # OAuth specification support for authenticating via LTI or other Open edX services
 openedx-calc                        # Library supporting mathematical calculations for Open edX
 openedx-events                      # Open edX Events from Hooks Extension Framework (OEP-50)
+openedx-filters                     # Open edX Filters from Hooks Extension Framework (OEP-50)
 ora2
 piexif                              # Exif image metadata manipulation, used in the profile_images app
 Pillow                              # Image manipulation library; used for course assets, profile images, invoice PDFs, etc.

requirements/edx/base.txt

@@ -226,6 +226,7 @@ django==3.2.11
     #   jsonfield
     #   lti-consumer-xblock
     #   openedx-events
+    #   openedx-filters
     #   ora2
     #   super-csv
     #   xss-utils
@@ -701,6 +702,8 @@ openedx-calc==2.0.1
     # via -r requirements/edx/base.in
 openedx-events==0.7.1
     # via -r requirements/edx/base.in
+openedx-filters==0.4.3
+    # via -r requirements/edx/base.in
 ora2==3.7.8
     # via -r requirements/edx/base.in
 packaging==21.3

requirements/edx/development.txt

@@ -304,6 +304,7 @@ django==3.2.11
     #   jsonfield
     #   lti-consumer-xblock
     #   openedx-events
+    #   openedx-filters
     #   ora2
     #   super-csv
     #   xss-utils
@@ -935,6 +936,8 @@ openedx-calc==2.0.1
     # via -r requirements/edx/testing.txt
 openedx-events==0.7.1
     # via -r requirements/edx/testing.txt
+openedx-filters==0.4.3
+    # via -r requirements/edx/testing.txt
 ora2==3.7.8
     # via -r requirements/edx/testing.txt
 packaging==21.3

requirements/edx/testing.txt

@@ -292,6 +292,7 @@ distlib==0.3.4
     #   jsonfield
     #   lti-consumer-xblock
     #   openedx-events
+    #   openedx-filters
     #   ora2
     #   super-csv
     #   xss-utils
@@ -885,6 +886,8 @@ openedx-calc==2.0.1
     # via -r requirements/edx/base.txt
 openedx-events==0.7.1
     # via -r requirements/edx/base.txt
+openedx-filters==0.4.3
+    # via -r requirements/edx/base.txt
 ora2==3.7.8
     # via -r requirements/edx/base.txt
 packaging==21.3