refactor: replace custom CRM with Monica fork

.gitattributes

@@ -0,0 +1,24 @@
+* text=auto
+*.css linguist-vendored
+*.scss linguist-vendored
+*.js linguist-vendored
+/.github export-ignore
+/.platform export-ignore
+/.vscode export-ignore
+/tests export-ignore
+/scripts export-ignore
+.eslintrc.js export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.platform.app.yaml export-ignore
+.releaserc export-ignore
+.sass-lint.yml export-ignore
+.styleci.yml export-ignore
+crowdin.yml export-ignore
+cypress.json export-ignore
+phpstan.neon export-ignore
+phpunit.xml export-ignore
+psalm.yml export-ignore
+server.php export-ignore
+sonar-project.properties export-ignore
+template-definition.yaml export-ignore