feat(src/):Create dir for organizing source files

diff --git a/test b/src/test
similarity index 100%
rename from test
rename to src/test

diff --git a/test.c b/src/test.c
similarity index 100%
rename from test.c
rename to src/test.c

diff --git a/test2 b/src/test2
similarity index 100%
rename from test2
rename to src/test2

diff --git a/test2.c b/src/test2.c
similarity index 100%
rename from test2.c
rename to src/test2.c