build: add migration for ProjectRole db enum type

src/backend/migrations/003-project-roles.sql

@@ -0,0 +1,20 @@
+-- ## Migration to:
+-- * Add public.projectrol enum.
+-- * Update the user_roles table to use the enum
+
+-- Start a transaction
+BEGIN;
+
+CREATE TYPE public.projectrole as ENUM (
+    'MAPPER',
+    'VALIDATOR',
+    'FIELD_MANAGER',
+    'ASSOCIATE_PROJECT_MANAGER',
+    'PROJECT_MANAGER',
+    'ORGANIZATION_ADMIN'
+);
+ALTER TYPE public.projectrole OWNER TO fmtm;
+ALTER TABLE public.user_roles ALTER COLUMN "role" TYPE public.projectrole;
+
+-- Commit the transaction
+COMMIT;

src/backend/migrations/revert/003-project-roles.sql

@@ -0,0 +1,11 @@
+-- Start a transaction
+BEGIN;
+
+-- Revert user_roles table changes
+ALTER TABLE public.user_roles ALTER COLUMN "role" TYPE public.userrole;
+
+-- Drop the public.projectrole enum
+DROP TYPE IF EXISTS public.projectrole;
+
+-- Commit the transaction
+COMMIT;