add top-layer .gitignore

.gitignore

@@ -0,0 +1,23 @@
+*.d
+*.o
+aprt_vsfs
+cilent
+
+# vim swap files
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# vim sessions
+Session.vim
+Sessionx.vim
+
+# vim temporaries
+.netrwhist
+*~
+# vim persistent undo
+[._]*.un~
+
+logs