add some missed generated artifacts to gitignore

Author: ReplayCoding

.gitignore

@@ -23,6 +23,9 @@ ipch
 # OSX/Linux build products
 *.mak
 *.mak.vpc_crc
+.ninja_deps
+.ninja_log
+compile_commands.json
 *.xcodeproj/
 obj*/
 !devtools/*.mak
@@ -48,6 +51,12 @@ client.dylib.dSYM/
 server.dylib
 server.dylib.dSYM/
 
+# Stupid build system puts these alongside commited build artifacts (WHY)
+src/lib/public/linux64/mathlib.a
+src/lib/public/linux64/raytrace.a
+src/lib/public/linux64/tier1.a
+src/lib/public/linux64/vgui_controls.a
+
 # files generated by running a mod
 config.cfg
 
@@ -505,8 +514,10 @@ FodyWeavers.xsd
 
 # TC2 MOD
 mod_hl2mp_win64.exe
+mod_hl2mp_linux64
 mod_tf_win64.exe
 tc2_win64.exe
+tc2_linux64
 
 game/platform/config