chore(cleanup): replace legacy Matvei project with updated Linux-based version

- Removed obsolete Matvei source files (tasks 01–04, array/matrix/io_status
  modules, Makefile)
- Introduced new Linux-compatible structure in Linux/Matvei
- Updated build logic via new Makefile
- Adjusted .gitignore to exclude new artifacts

2025.03.21/dist/Linux/Makefile

@@ -0,0 +1,15 @@
+FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
+
+%.out: %.o solve.o array_io.o init_f.o
+	 gcc $(FLAGS) $^ -o $@ -lm
+%.o: %.c
+	 gcc -c $(FLAGS) $<
+
+all: a01.out a02.out a03.out a04.out a05.out a06.out a07.out a08.out a09.out a10.out
+
+solve.o: solve.c solve.h
+array_io.o: array_io.c array_io.h
+init_f.o: init_f.c init_f.h
+
+clean:
+	 rm -f *.o *.out