Support selection between different debuggers.

Specify the debugger binaries, args to run with.
Specify path remaps:
  It's typical to remap path embedded in dwarf (as the exe was built) to the location of the source on your own pc.

src/_premake_init.lua

@@ -240,6 +240,24 @@
 		},
 	}
 
+	api.register {
+		name = "debugger",
+		scope = "config",
+		kind = "string",
+		allowed = {
+			"Default",
+			"GDB",
+			"LLDB",
+		}
+	}
+
+	api.register {
+		name = "debugpathmap",
+		scope = "config",
+		kind = "list:keyed:path",
+		tokens = true,
+	}
+
 	api.register {
 		name = "debugport",
 		scope = "config",
@@ -267,6 +285,22 @@
 		tokens = true,
 	}
 
+	api.register {
+		name = "debugtoolargs",
+		scope = "config",
+		kind = "list:string",
+		tokens = true,
+		pathVars = true,
+	}
+
+	api.register {
+		name = "debugtoolcommand",
+		scope = "config",
+		kind = "path",
+		tokens = true,
+		pathVars = true,
+	}
+
 	api.register {
 		name = "defaultplatform",
 		scope = "project",