Fix typos across documentation, tests, code, and OpenAPI spec

[Copilot]

Corrected spelling and grammar errors found in markdown documentation, test descriptions, code error messages, and the OpenAPI specification.

Changes

Documentation (3 files, 5 fixes):

• README.md: assigment → assignment
• docs/GLOSSARY.md:
  • mutli-tenant → multi-tenant
  • organisations → organizations (standardize to American English)
  • tenant.This → tenant. This (missing space after period)

Code/Error Messages (5 files, 5 fixes):

• server/src/api_endpoints/endpoint_self_token.js: Borne token → Bearer token
• server/src/api_endpoints/endpoint_self_scopes.js: Borne token → Bearer token
• server/src/api_endpoints/endpoint_self_clients.js: Borne token → Bearer token
• server/src/api_endpoints/endpoint_self_roles.js: Borne token → Bearer token
• server/src/api_endpoints/endpoint_self_permissions.js: Borne token → Bearer token

Tests (2 files, 4 fixes):

• server/test/endpoint_admin_roles_permissions.test.js: should return 404 and for → should return 404 for (removed extraneous "and")
• database/test/db-insert.test.js: non-existant → non-existent (3 occurrences)

OpenAPI Spec (1 file, 1 fix):

• server/the-usher-openapi-spec.yaml: scope need to be → scope needs to be (grammar correction)

All changes are minimal spelling and grammar corrections with no functional code changes. Total: 15 typos fixed across 10 files.

Original prompt

Find all the typos is the project, including the MD file, Open API document, test, function name, variable, etc and create a PR to fix the issue

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[k1ch]

@copilot Review the actual code as well, ensure there is no typo in variable or function names or comments.

[Copilot]

@copilot Review the actual code as well, ensure there is no typo in variable or function names or comments.

Completed comprehensive review of the actual code. Found and fixed additional typos:

Code typos fixed (commits fc57f83, 4f552a1, 551053f):

• "Borne token" → "Bearer token" in 5 error messages across endpoint files
• "non-existant" → "non-existent" in 3 test descriptions
• "scope need to be" → "scope needs to be" in OpenAPI spec

Total: 15 typos fixed across 10 files (documentation, code, tests, and OpenAPI spec)