chore: cleanup repository and add Gitea Actions build workflow

- Update .gitignore to exclude build artifacts and IDE files
- Remove tracked .idea and .vscode directories from index
- Add .gitea/workflows/build.yaml for CI
- Commit existing source changes and README updates

main.h

@@ -3,6 +3,12 @@
 
 #define TITLE "Scream your thoughts into the void!"
 
-void getInitialWorries(char* output);
+#ifdef _WIN32
+    #include <windows.h>
+    #define sleep_ms(ms) Sleep(ms)
+#else
+    #include <unistd.h>
+    #define sleep_ms(ms) usleep((ms) * 1000)
+#endif
 
 #endif