Delete unused files

.github/FUNDING.yml

-# These are supported funding model platforms
-
-github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
-patreon: # Replace with a single Patreon username
-open_collective: # Replace with a single Open Collective username
-ko_fi: # Replace with a single Ko-fi username
-tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
-community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
-liberapay: # Replace with a single Liberapay username
-issuehunt: # Replace with a single IssueHunt username
-otechie: # Replace with a single Otechie username
-custom: ['https://play.google.com/store/apps/details?id=games.paveldogreat.fluidsimfree', 'https://apps.apple.com/app/fluid-simulation/id1443124993']# Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.gitignore

+.eslintrc
+MEMO.md
+.DS_Store