Add GameTank core info

dist/info/gametank_libretro.info

@@ -0,0 +1,32 @@
+# Software Information
+display_name = "Clydeware - GameTank (GameTank)"
+authors = "SundownerSport|Clyde Shaffer"
+supported_extensions = "gtr"
+corename = "GameTank"
+license = "MIT"
+permissions = ""
+display_version = "1.0.1"
+categories = "Emulator"
+
+# Hardware Information
+manufacturer = "Clydeware"
+systemname = "GameTank"
+systemid = "gametank"
+
+# Libretro Features
+supports_no_game = "false"
+savestate = "true"
+savestate_features = "deterministic"
+cheats = "false"
+input_descriptors = "true"
+memory_descriptors = "false"
+libretro_saves = "true"
+core_options = "true"
+core_options_version = "1.0"
+load_subsystem = "false"
+hw_render = "false"
+needs_fullpath = "false"
+disk_control = "false"
+is_experimental = "true"
+
+description = "Libretro port by SundownerSport of GameTankEmulator. The GameTank console and GameTankEmulator are by Clyde Shaffer. The GameTank is an 8-bit console with two 65C02 CPUs, a hardware blitter and 128x128 graphics."

rules.d/core-rules.sh

@@ -1971,6 +1971,12 @@ libretro_geartowns_build_platform="$FORMAT_COMPILER_TARGET_ALT"
 libretro_geartowns_build_subdir="platforms/libretro"
 libretro_geartowns_build_makefile="Makefile"
 
+include_core_gametank() {
+	register_module core "gametank"
+}
+libretro_gametank_name="GameTank"
+libretro_gametank_git_url="https://github.com/SundownerSport/gametank-libretro.git"
+
 # CORE RULE VARIABLES
 #
 # All variables follow the format of libretro_<core>_<setting> where <core> is